Itisnecessarythatthestudents____moreexcercisestodo.
A、haveA
【句意】学生们有必要做更多的练习。
【难点】虚拟语气可以用于主语从句中，常用的句型为：It +is(was)+形容词that…，主语从句中的谓语用(should)+v.的表达形式。
-Wehaven’theardfromJaneforalongtime.
-Whatdoyousuppose_____toher?
That’s________excitingnewsthatI’dliketotelleveryonetosharethejoy.
Sometimes a bus ____ gets on the bus to check the tickets.
With one leg broken in that car accident, he cannot even walk, ____ run.
Mrs.Whitehas_____thatsheisnotabletogetajob.
