277. The policeman ________ the thief, caught him and took him to jail (prison).
| A．runs after | B．ran after | C．run after | D．ran out of |
In the past few years, research has suggested that Vitamin D may increase the level of serotonin（血清素）, one of the key nurotransmitters influencing our mood, and ________it helps to relieve mood disorders.
| A．that | B．where | C．what | D．which |
Chinese must have the largest number of speakers, ________ ?
| A．mustn’t that | B．haven’t they |
| C．don’t they | D．doesn’t it |
Everybody talks about the taste of great food, but hardly _________ about the tongue and
the nose that make the tasting possible.
| A．anybody talks | B．does anybody talk |
| C．talks anybody | D．nobody talks |
More Than a Game, a documentary which follows NBA star LeBrown James’s path
_________ a star, came out on October 2, 2009 in the US.
| A．to become | B． to becoming | C． in becoming | D．during becoming |
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 |