1. —Must I get through the business in one evening?
A. mustn’t B. haven’t C. needn’t to D. don’t have to
2. Our teacher looked here and there on our playground _______ looking for something.
A. even though B. even if C. as if D. only if
3. When we were young, every evening my brother and I _______ stay at home waiting for our mother.
A. would B. might C. should D. could
