There _____food and more people____100 years.
What’s wrong with him? I haven’t seen him _____ last Wednesday. A. on B. since C. by
China has been successful _____ the WTO. A. to enter B. in enter C. in entering
Did you know _____? A. how much did the bike cost B. where he lives C.if he bought a camera yesterday
Look! There is a pet dog____on the ground.Let’s go and play with it. A. lie B. lay C. lying
I don’t know _____ A. where does he come from B. what is his name C. how old he is