29 Unless you come soon, you may not meet us
30 Many houses in the village have been destroyed by the fire
31 Ba can play the piano better than his friends
32 I haven't paid a visit to my uncle for 3 years
33 My sister is a hard-working student, who always does her homework before going to class
34 If the man doesn't arrive, we won't start the conference
29. Unless you come soon, you may not meet us
30. Many houses in the village have been destroyed by the fire
31. Ba can play piano better than his friends
32. I haven't paid a visit to my uncle for about 3 years
33. My sister who is a hard-working student always does her homework before going to class
34. If the man doesn't arrive, we will start start the conference without him
