— What time shall we leave for the airport?
— It’s foggy today. I’m not sure __________ be closed soon. Let’s go now.
A. whether the highway will
B. whether will the highway
C. when the highway will
D. when will the highway
—Hobo，can I eat the hamburger？
—Sure，if the dishes ．
A．wash B．are washed
C．will wash D．will be washed
Mike used to be a top student, but he _______ behind since he lost himself in computer games.
A. fell B. has fallen C. was D. has been
The model Sydney Opera House looks _______ the real one in Australia.
A. as wonderful as B. as wonderfully as
C. so wonderful as D. so wonderfully as
There are fewer and fewer tigers in India. The situation will continue _______ humans stop hunting them for their fur and bones.
A. if B. unless C. because D. since
— Hi. I didn't see you at the party in the company yesterday evening.
— Oh, all my family _______ my son's birthday at home.
A. celebrated B. have celebrated
C. was celebrating D. were celebrating
