1、who can help me carry that heavy bag?
zhang qiang. because he is ________carry it?
a、not strong rnough b、strong rnough
c strong enough to d enough strong to
2、where are the students?
they ________the playground
a have been to b was
c have gone to d were
3 _______you _______a ticket for the foodball match?
a did bought b do bought
c has bought d have bought
4 ______the government's effort ,china has changed a lot since 1979
a thank b thanks to
c thanks for d thanks