Helen ______ to a language school when she was seven.
A.sent B.is sent
C.was sent D.will send
She ______ very hard since she came to our school.
A.studies B.has studied
C.is studying D.studied
Even Tony’s six-year-old son asked him ______ smoking.
A.stops B.stopped
C.stopping D.to stop
The schoolboy ______ a blind man cross the street yesterday.
A.helps B.helped
C.will help D.has helped
— Can he jump high?— Yes, he ______. He is a good high jumper.
A.canB.needC.mustD.shall
It was dark, ______ I couldn’t see what was happening.
A.orB.thoughC.butD.so