Man’s understanding of nature is developing ________. It never stays at the same level.
| A．at the right time | B．for the first time |
| C．from time to time | D．all the time |
It’s important __________ us students _______ carefully in class.
| A．for; listening | B．of; listen |
| C．for; to listen | D．of; to listen |
I think the shop _______ now. Let’s go ________ it.
| A．is open, see | B．opens, to see |
| C．is opening, see | D．is open, to see |
We call it dinner because we have ________ to eat.
| A．little | B．lot of | C．a lot | D．few |
---Would you like ___________________, Peter?
---Some orange, please.
| A．drink something | B．something to drink |
| C．anything to drink | D．drink anything |
--- __________ are you so happy?
--- Because it is my birthday.
| A．Why | B．Whose | C．What | D．Who |