Giúp mk giải bài này với

Exercise 2 If anyone a. was calling b. called 2. 1. tell him I'll be back later. c. calld. calls a book now. Each of the boys a. have b. has c. had d. are having Two-thirds of the money_ 3. mine now. a. is b. are c. was d. were About 60% of students in this class 4. from China. a. was ...