He enjoys collecting,. He has collected over three _____ stamps.
| A．hundred | B．hundreds |
| C．hundreds of | D．hundred of |
My friend _______ well in English , so she often helps me with my projects .
| A．do | B． does | C．is doing | D．are doing |
While he ________ his homework , his mother came in.
| A．does | B．did | C．was doing | D．do |
— My clothes are out of style.
-—Maybe you should ______ some new clothes.
| A．buy | B．bought | C．buying | D．bought |
When I came to Xi’an last year, I fell in love ____ it.
| A．about | B．with | C．around | D．from |
There will be ________trees in the future .
A. little B. less C. few D, fewer