Students should learn how problems.
A.solve B.solving C.can solve D.to solve
The meat is delicious.Yes, but don’t eat .
A.too much; too much B. much too ; too much
C.too much ; much too D. much too; much too
It takes me half an hour the piano every day.
A.play B. playing C.to play D.played
--He used to in a small village .
--But now he has been used to in a big city .
A.live living B.live live
C.living living D.living live
doctors are fighting against H7N9 in China.
A.Thousands B.A thousand of
C.Thousands of D.Thousand of
The number of the students here about 2000.
A.is B.are C.has D.have
