Question 23: A university professor in Singapore gave a two-hour online lecture, (23) _______ he didn't realize he was on mute. Professor Wang, who teaches Maths, was not aware that throughout his online presentation, the microphone on his computer was switched off.
A. because
B. however
C. but
D. although
Question 24: This meant that (24) _______ of the students attending his online class heard what professor Wang was talking about
A. some
B. none
C. most
D. many
Question 25: His university switched his classes online to help (25) ______the spread of COVID-19.
encourage
discourage
reduce
improve
Question 26: Students tried many times (26)______professor Wang during the lesson but could not get through to him. They waved their arms and even tried calling him on his personal phone.
to contact
contacting
contacted
contact
Question 27: After realizing what happened, professor Wang was shocked and (27)______. He said he was upset because he wasted two hours of his students' time.
stress
stressed
stressing
stressful
Question 23: A university professor in Singapore gave a two-hour online lecture, (23) _______ he didn't realize he was on mute. Professor Wang, who teaches Maths, was not aware that throughout his online presentation, the microphone on his computer was switched off.
A. because
B. however
C. but
D. although
Question 24: This meant that (24) _______ of the students attending his online class heard what professor Wang was talking about
A. some
B. none
C. most
D. many
Question 25: His university switched his classes online to help (25) ______the spread of COVID-19.
encourage
discourage
reduce
improve
Question 26: Students tried many times (26)______professor Wang during the lesson but could not get through to him. They waved their arms and even tried calling him on his personal phone.
to contact
contacting
contacted
contact
Question 27: After realizing what happened, professor Wang was shocked and (27)______. He said he was upset because he wasted two hours of his students' time.
stress
stressed
stressing
stressful
A university professor in Singapore gave a two-hour online lecture, (23) _______ he didn't realize he was on mute. Professor Wang, who teaches Maths, was not aware that throughout his online presentation, the microphone on his computer was switched off.
A. because
B. however
C. but
D. although
Question 24: This meant that (24) _______ of the students attending his online class heard what professor Wang was talking about
A. some
B. none
C. most
D. many
Question 25: His university switched his classes online to help (25) ______the spread of COVID-19.
encourage
discourage
reduce
improve
Question 26: Students tried many times (26)______professor Wang during the lesson but could not get through to him. They waved their arms and even tried calling him on his personal phone.
to contact
contacting
contacted
contact
Question 27: After realizing what happened, professor Wang was shocked and (27)______. He said he was upset because he wasted two hours of his students' time.
stress
stressed
stressing
stressful
23 but
24 none
25 reduce
26 to contact
27 stressful