The wetland can ________ food and shelter ______ plants and animals, including different kinds of birds.
| A．provide…for | B．provide…with |
| C．make…for | D．provides…for |
Don’t keep us ________ for a long time next time.
| A．wait | B．waited | C．to wait | D．waiting |
In China it’s impolite to speak _________ your mouth is full.
| A．before | B．while | C．after | D．with |
You should always say to ________ “Never give up!” when you come across difficulty.
| A．themselves | B．ourselves | C．yourselves | D．you |
________ I am in trouble, my friend will help me.
| A．Although | B．Whenever | C．Before | D．After |
What are you doing this weekend? I’m not sure. But I _______ go to the cinema.
| A．should | B．must | C．might | D．need |