There is no way of knowing why one man makes an important discovery ______ another man, also intelligent, fails.
A. since B. if C. as D. while
Opposite my school _______ a book store, _______ was built ten years ago.
A. is standing, which B. stood, it C. stands, which D. stands, that
—I’m tired. I’m taking next week off.
— , honey. You do need a break.
A. Not so sureB. Forget itC. Great ideaD. No way
An official is said _______ fire to a camp in the field, _______ one death and two injuries.
A. to set, causing B. to have set, causing C. to have set, caused D. to set, caused
The soldiers have to stand for hours without changing .
A. positionB. situationC. locationD. condition
Last night’s TV news said that by then exact evidence for the missing plane MH370 .
A. had not been foundB. had not found
C. has not been foundD. has not found
