You have a big mouth, Tom．You ___ have told everybody the secret．
| A．can'1 | B．mustn't | C．shouldn't | D．mightn't |
_______you see near the North Pole is nothing but ice and snow.
| A．That | B．What | C．Which | D．Who |
He opened the envelop, had it_____ and began to read it.
| A．unfolding | B．folding | C．unfolded | D．folded |
---Where did you ____ Japanese?
---While I was staying with some Japanese students.
| A．pick up | B．take up | C．make up | D．turn up |
I suggest those who would like to learn about the event_____ the report in yesterday’s newspaper, because the report has_____ the event thoroughly.
| A．read, included | B．reading, covered |
| C．read, covered | D．reading, included |
The increasing population in China will have a great _______ on the whole society.
| A． advantage | B．affect | C．difficulty | D．effect |