The math problem is too difficult, so _________ students know the answer.
A. a little B. a few C. few
I have great_____ in learning math and I am so worried.
| A．trouble | B．interest |
| C．fun | D．problem |
The pool was _______a heart .
| A．in shape of | B．in the shape of |
| C．in the size of | D．in the color of |
There are____that the room is very crowed
| A．such many girls | B．so much girls |
| C．so many girls | D．such girls |
She_____ her hometown for many years. No one nearly knows her.
| A．has been away from | B．has left |
| C．had left | D．left |
______does Frank play computer games ? — Twice a week
| A．How long | B．How much |
| C．How often | D．How soon |