I'm afraid I have to go now, for my parents_______ outside.
#53711
A
had waited
B
have waited
C
are waiting
D
were waiting
推荐题目
—Sam likes ________others.—That’s why many people like him
#59094
A
looking for
B
learning from
C
shouting at
D
playing tricks on
The old lady has a _______ time _______ clothes every day.
#60637
A
difficulty; to wash
B
difficulty; washing
C
difficult; to wash
D
difficult; washing
--- ______ he ______ at this school last term? --- Yes, I think so. 
#54346
A
Did, study
B
Has , studied
C
Was , study
D
Did , studied