27. A: What’s the matter, Sara? You wear a sad look on your face.
B: Oh, nothing much. As a matter of fact, I _______ of my friends back home.
| A．just thought | B．have just been thinking |
| C．was just thinking | D．have just thought |
When the H1N1 virus____ at first in Mexico, no one had the least idea that it would spread so rapidly throughout the world.
| A．broke off | B．broke down | C．broke out | D．broke away |
It____ Tom that parked the car here, as he is the only one with a car.
| A．may be | B．can be | C．must have been | D．should have been |
Whenever I met her, ____ was fairly often, she greeted me with a sweet smile.
| A．who | B．which | C．when | D．that |
____ their house in London, they also have a house in Spain.
| A．Except | B．Except for | C．Beside | D．Apart from |
War is closely____ poverty since they always go_____.
| A．related with; hand in hand | B．connected to; hand in hand |
| C．related to; hand in hand | D．concentrated on; hand in hand |