—Humans can’t live _______ air.
—I agree with you.
A. without B.with C.in D.for
He____know the answer, but I’m not sure.
A. maybe B. may be C:may D. must
—_______ can I keep the books? —Two weeks.
A.How long B.How often C.How far D.How soon
-My mother is ill in hospital.
——_______.
A.That’s OK B:.All right C.Thank you D. I’m sorry to hear that.
—You look pale. What’s _______ with you?
—I have _______ headache.
A. the wrong; a B.wrong; the C.matter; the D.the matter; a
My mother often spends 2 hours ______ housework every day.
A.do B.does C.doing D.to do
