20.I can’t thank you much for your help. Without it I couldn’t have succeeded in my experiment.
A.very B.too C.quite D.that
19. students are required to take part in the football game.
A.Twelve strong young Chinese B.Twelve Chinese strong young
C.Chinese twelve young strong D.Young strong twelve Chinese
18.To enjoy the scenery, Sara would spend long hours on the train travel by air.
A.as to B.other than C.instead of D.rather than