The computer costs so ________ that I can’t afford ________ it.
A.expensive, to buy B.expensive, buying C.much, to buy D.much, buying
They give up their time when they’re not busy _________the elderly.
A.to help B.helping C.help D.with
Can you believe that in ________ rich countries there should be ________many poor people?
A.so; so B.such; such C.such; so D.so; such
—Why didn’t I see you at Lucy’s party last night? — Because I __________ to her party.
A.haven’t been invited B.didn’t invite C.wasn’t inviting D.wasn’t invited
—When did your father come back from England?
—__________.
A.Until 2 weeks ago. B.Since 2 weeks ago.
C.For 2 weeks. D.Not until last Sunday
Wait a minute. Fifty percent of the class _____________homework yet.
A.hasn’t been finished B.hasn’t finished C.haven’t been finished D.haven’t finished
