Much to my surprise, she ________tears ________she read the letter.
| A．burst out; instant | B．burst into; the instant |
| C．burst out; instantly | D．burst into; instant |
It is required that students _____mobile phones at school, so seldom _____them using one.
| A．don’t use; will you see | B．should not use; you will see |
| C．not use; will you see | D．can’t use; will you see |
——Tom is never late for work. Why is he absent today?
—— Something _____to him.
| A．must have happened | B．can have happened |
| C．must happen | D．can happen |
—— Could you tell me his telephone number?
—— _____the phone book and find it out yourself.
| A．Look up | B．Search for | C．Refer to | D．Go through |
Don’t all stand up together! ________, please.
| A．Each at one time | B．One at a time | C．One by one time | D．One for each time |
______from space, the earth, with water _____seventy percent of its surface looks like a blue ball.
| A．Seen; covered | B．Seen; covering | C．Seeing; covered | D．Seeing; covering |