I have ________ useful knife and my sister has _______ eraser.
| A．a; an | B．an; a | C．a; a | D．an; an |
I meant to help him . ______， he didn’t accept my offer.
| A．But | B．As a result | C．Therefore | D．However |
Several months later, he found his deskmate very difficult _______.
| A．to get along with | B．getting along with |
| C．to get along | D．to be gotten along with |
In order to make up for the lost time, they are working ______.
| A．like crazy | B．as crazy | C．like crazily | D．as crazily |
She used ______ on the right in China, so she was not used _______ on the left in England at first.
| A．to drive; to drive | B．to drive; driving |
| C．to driving; to driving | D．to drive; to driving |
____ finishing his homework, he went to play basketball.
| A．In | B．Upon | C．At | D．With |