They come from the USA. They are _______.
A.Chinese B.America C.Americans D.China
---Mom, there is little milk,______?
---No,there isn’t. Could you please go and buy some?
| A．is there | B．isn’t there |
| C．is it | D．isn’t it |
If you can’t read the new words, you may __ in the dictionary.
| A．look it up | B．look up it |
| C．look them up | D．look up them |
–I feel tired and sleepy.
–Why not stop __________?
| A．to relax | B．breaking | C．resting | D．to work |
–Shall we go out for a walk?
–Sorry. This is not the right __ to invite me. I am too tired to walk.
| A．moment | B．situation | C．place | D．Chance |
It is usually warm in my hometown in March, but it ____be rather cold sometimes.
| A．must | B．can | C．should | D．would |