I couldn’t do my homework with all that noise ________.
| A．going on | B．goes on | C．went on | D．to go on |
The traffic light is red, so I _____stop my car.
| A．must | B．have to | C．can | D．mustn’t |
It was in the lab____ was taken charge of by Mr Harris ____ they did the experiment.
| A．which; that | B．that; which | C．which ; where | D．that; who |
---- What is the cost of your shirts here, sir?
---- It depends on which fashion you want to buy, and the prices _______ from 100 dollars to 500 dollars.
| A．increase | B．reach | C．range | D．different |
---- Water can dissolve almost anything and give nutrients to creatures.
---- Yes, and that’s one of its ______.
| A．characters | B．properties | C．qualities | D．ability |
_____ I entered, he was _____ in his book and didn’t notice me.
| A．When; devoted | B．While; absorbed |
| C．When, absorbed | D．While, devoted |