— ___________ —She is a cook.
A. What is your mother doing?
B. What does your mother do?
C. What is your mother going to do?
Scientists are trying their best to _______ways to treat the terrible disease called H7N9.
| A．come up with | B．look forward to |
| C．talk about | D．give up |
---- Can you see the notice there? ---- Yes, it ________“No Smoking Here”.
| A．says | B．writes | C．reads | D．Speaks |
Let’s go to Kunming for vacation. It’s_______ too hot_______ ______ too cold there.
| A．either; or | B．neither; nor |
| C．both; and | D．not only; but also |
I sent her a invitation, ________ he didn’t receive it.
| A．but | B．and | C．so | D．or |
Wearing red makes_____ easier for you to take action.
| A．that | B．this | C．one | D．it |