–I wonder how much you charge for your services.
-The first two are free the third costs $30.
| A．while | B．until | C．when | D．before |
——She shouldn't have done that sort of thing.
—Whatever she did was reasonable, ______ to what you did. Besides, it's none of your business.
Get down to ______ your lessons.
| A．comparing; doing | B．comparing; do |
| C．compared； doing | D．compared; do |
The number of people invited ______ fifty, but a number of them ______ not seen at the meeting.
| A．was; were | B．was; was |
| C．were; was | D．were; were |
A student should not ______ small errors, which might lead to serious mistakes in the future.
| A．overcome | B．overhead |
| C．overtake | D．overlook |
— ______ I’m very busy now. Could I call you back after work?
—OK. I'll wait for you.
| A．Actually | B．Occasionally |
| C．Frequently | D．Probably |
It is not right for you to ______ fifty dollars from my salary without any good reason. You should give it back to me.
| A．bring down | B．hold up |
| C．keep back | D．turn down |