-----Alice, you clean the blackboard today, _________?
----- But I cleaned it yesterday.
| A．won’t you | B．will you | C．didn’t you | D．don’t you |
No one helped me . I did it all myself .
| A．for | B．by | C．from | D．to |
To understand the grammar of the sentence，you must break it______ into parts．
| A．down | B．up | C．off | D．out |
The classroom is big enough, but we’ll have to move if we have more students.
| A．for the moment | B．on the moment | C．in a moment | D．for a moment |
—You know. Bob is a little slow ____ understanding, so…
— So I have to be patient ______ him.
| A．in ; with | B．on; with | C．in; to | D．at; for |
He got to the station early,____________ missing his train.
| A．in case of | B．instead of | C．for fear of | D．in search of |