You will succeed in the end ____ you give up halfway．
A.even if B.as though C.as long as D.unless
The boy made a hole in the wall, ___________ he could see what was going on inside the house.
A.on which B.at which C.through which D.which
I had hardly got to the office ________ my wife phoned me to go back home at once.
A.when B.than
C.until D.after
I’ll tell you ___________ he told me last week.
A.all which B.all what C.that all D.all that
It ___________ last night, for the road was very muddy.
A.would have rained B.must have rained C.should have rained D.must rain
You ___________ a better mark, but you didn’t work hard.
A.could have had B.would have had C.must have had D.must have
