．—What’s the matter with you ?
—Oh, I’m not feeling well in the stomach . I ___________so much fried fish just now .
A．shouldn’t eat B．mustn’t have eaten
C．shouldn’t have eaten D．mustn’t eat
．During the test we were supposed to stay in our seats , keep our eyes on our work , ___________to anyone .
A．but could not talk B．instead of speaking
C．rather than speak D．and not speak
The moon is___________the earth .
A．as big as forty-nine times B．forty-nine times bigger than
C．as big as one-third D．one-third the size of
—Have a good rest ; you need to___________your energy for the football match this afternoon .
—Thanks a lot .
A．leave B．save C．hold D．get
This is the book I bought yesterday , ___________I spent 8 yuan .
A．on which B．for which C．in which D．at which
Jack had traveled six miles across the Channel___________his engine failed and was forced to land on the sea .
A．when B．until C．after D．since
