The __________ to the rocket going into space went wrong, and as a result it exploded and fell into the sea.
| A．mark | B．sign | C．symbol | D．signal |
“You can’t judge a book by its cover,” ________ .
| A．as the saying goes old | B．goes as the old saying |
| C．as the old saying goes | D．goes as old the saying |
There's no way of knowing why one man makes an important discoveryanother man, also intelligent, fails.
| A． | since | B． | if | C． | as | D． | while |
India attained ________ independence in 1947, after _______ long struggle.
| A．不填; a | B．the; a | C．an; 不填 | D．an; the |
At the last moment, Tom decided to ________ a new character to make the story seem more likely.
| A．put up | B．put in | C．put on | D．put off |
The door ________ open, no matter how hard she pushed.
| A．shouldn’t | B．couldn’t | C．wouldn’t | D．mightn’t |