Not until I began to work ________ how much time I had wasted.
| A．didn’t I realize | B．did I realize |
| C．I didn’t realize | D．I realize |
The winter of 2008 was extremely bad.most of people say it was the worst winter of their lives.
| A．In general | B．In a word | C．In all | D．In fact |
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 |