—Who is the girl standing over there?
—Well, if you ________ know, her name is Mabel.
| A．may |
| B．can |
| C．must |
| D．shall |
________ her hair getting gray, she has decided to have it dyed.
| A．As | B．For | C．With | D．Though |
If I had__________, I’d visit Europe, stopping at all the small interesting places.
A. a long enough holiday B an enough long holiday
C. a holiday enough long D. a long holiday enough
Britain has recently had a high level of unemployment—but the same is true ________ many other countries.
| A．at | B．from | C．of | D．to |
—It's cloudy outside. Please take an umbrella.— __________.
| A．Yes， take it easy | B．Well， it just depends |
| C．OK， just in case | D．All right， you're welcome |
—I’m going to cut the big tree down? —What ________ ?
| A．by | B．to | C．with | D．at |