In the experiment the scientist kept a watchful eye________the developments and recorded every detail.
A.in | B.at | C.for | D.on |
Once he saw his daughter back safe, his ______disappeared.
A.surprise | B.anxiety | C.imagination | D.curiosity |
——I can’t find my MP4 player.
—— You _______it on the desk. I saw a red one on it.
A.might have put | B.can put | C.need have put | D.must put |
—— Excuse me! Can you _____that the movie starts at 7:00 pm?
—— Yes, I can.
A.confirm | B.admit | C.agree | D.conclude |
The teacher wondered whether those ______at the back of the classroom could hear him.
A.seating | B.sit | C.seated | D.sat |
Look! There’s no light on—Sara _____be at home.
A.can’t | B.mustn’t | C.needn’t | D.shouldn’t |