I was _______ with my son about his carelessness, which _______ the main cause of his failure in math.
A.annoyed; were B.amazed; was C.amazing; were D.annoyed; was
At the bad news, she was so sad_______I had to stay here keeping her_______.
A.that; companion B.then; companies
C.that; company D.and; accompany
----- Why hasn’t Jack come back yet ? _______ anything have happened to him ?
----- I’m not sure, but I guess something _______ .
A.May, must have B.Can, may have
C.Must, may D.Should, might have
Every boy and every girl_______ pleased when they saw Shenzhou VI was sent up to space.
A.is B.was C.are D.were
Can it be ______ in a fast-changing world we don’t know what to teach our children today?
A.which B.that C.why D.since
If you want to do the experiment again, you had better be more careful ________ you made a mistake.
A.when B.why C.where D.that
