He made another wonderful discovery, _____ of importance to science.
A.which I think is |
B.which I think it is |
C.which I think it |
D.I think is |
_____ of the students who took part in the military training is 450.
A.A number | B.A lot | C.Lots | D.The number |
The roads are crowded______ walking to work is even quicker than driving.
A.in order that | B.so that | C.so as to | D.in order to |
Rather than ______ at home, he prefers ______ out to play football even on a cold day.
A.to stay; to go | B.staying; to go | C.stay; to go | D.staying; going |
______ you call me to say you’re not coming, I’ll keep waiting for you at the theatre.
A.Unless | B.When | C.If | D.As |
A chair made of steel is stronger, though costs much more, than _____ made of wood.
A.that | B.one | C.it | D.those |