The telephone _____ three times in the last hour, and each time it _____ for my sister．
| A．had rung; was | B．has rung; was |
| C．rang; has been | D．has been ringing; is |
Eating too much fat can_____ heart disease and cause high blood pressure.
| A．result from | B．result into | C．contribute to | D．devote to |
I think it is you rather than the student who____ for being late for the speech.
| A．is to blame | B．are to blame | C．is to be blamed | D．are to be blamed |
The teacher was _____in thoughs when I came to see him.
| A．deeply | B．stuck | C．losing | D．absorded |
______, he couldn’t get the door open.
| A．Might as he try | B．As he might try | C．Try as might try | D．Try as he might |
I don’t believe_____: he said he had finished his homework by himself.
| A．you | B．him | C．that | D．this |