．________a diary every day and you’ll improve your writing．
| A．Keeping | B．To keep | C．Keep | D．If you keep |
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 |
Mark was a student at this university from 1999 to 2003, ____ , he studied very hard and was made Chairman of the Students' Union.
| A．during which time | B．for which time | C．during whose time | D．by that time |
The accident is reported to have occurred __________ the first Sunday in February.
| A．at | B．on | C．in | D．to |
People may have different opinion about Karen, but I admire her. ______, she is a great musician.
| A．After all | B．As a result | C．In other words | D．As usual |