.We cannot figure out ____quite a number of insects, birds, and animals are dying out.
A.that | B.as | C.why | D.when |
Saving money is ________ we must do.
A.what that | B.anything that | C.something that | D.something which |
_______is no good always complaining about life. At least, we are living.
A.It | B.There | C.This | D.That |
Helen listened carefully _________ she might discover exactly what John wanted.
A.so as that | B.in order that | C.in order to | D.so as to |
Smoking, which may be _______ for some people, can cause great ______ to our health.
A.fun; destroy | B.fun; damage | C.a fun; harm | D.a fun; hurt |
The role that our army_____ in flood control is very important.
A.made | B.acted | C.played | D.did |