1. —Isn’t that Ann’s husband over there?
—No, it _____ be him — I’m sure he doesn’t wear glasses.
A. can’t B. must not C. won’t D. may not
2. “The interest _____ be divided into five parts, according to the agreement made by both sides,” declared(宣布) the judge.
A. may B. should C. must D. shall
3. Fortunately, when the boat began to sink, everyone _____ swim to safety.
A. was able to B. could C. would D. should