Unit 8: Out and about

HH

mark the letter aA,B,C or D to indicate the underlined part that needs correction in each of the follewing questions

1,Unless she doesn't know who it is , she won't open the door

A doesn't know B who C it is D won't open

2, the firet had spread to the next building before the firemen had arrived

A had spread B to the next C before D had arrived


Các câu hỏi tương tự
BT
Xem chi tiết
NL
Xem chi tiết
TN
Xem chi tiết
VN
Xem chi tiết
NL
Xem chi tiết
KA
Xem chi tiết
HD
Xem chi tiết
DP
Xem chi tiết
PT
Xem chi tiết