1. _______ either you or Mary from England?
A. Is B. Are C. Has D. Have
答：B。either...or...句式，谓语动词的数一般与or后的人称一致，但在疑问句中本着就近的原则，故选B项。
2. ______come to help us?
A. Ought he B. Ought he to
C. Should he to D. Shall he to
答：B。ought to应该．should(shall)接省去to的不定式。
