Scientists who study ________ noise say that ________ average noise level in New York is 72.5 decibels.
E-mail, as well as telephones, ________ an important part in daily communication.
_____ you ready?
“Tom graduated from college at a very young age.” “He ______ have been an outstanding student.” a. must b. could c. should d. might
He ______ live in the country than in the city. a. prefers b. likes to c. had better d. would rather
I hoped ______ my letter. a. her to answer b. that she would answer c. that she answers d. her answering