The reason_______ he didn’t come was that he was injured.
A.that |
B.why |
C.because |
D.when |
There is no doubt _________ the world climate has been changing in recent years.
A.that |
B.what |
C.if |
D.whether |
Will you help him________ you see an old man in trouble ?
A.though |
B.so |
C.because |
D.when |
I usually do my homework after dinner until 10 pm, ______ is my bedtime.
A.who |
B.what |
C.which |
D.that |
We are told that more new teaching buildings ________ next year.
A.build |
B.was built |
C.has built |
D.will be built |
It is no use _______ about the coming exam.
A. worry B worrying C worried D to worry