—Be quiet, Mr. Smith is coming.
—Don’t worry. It ＿＿＿ be him. Mr. Smith is much taller.
A. mustn’t B. must C. can’t
They preferred_____ rather than_____a bike.
A.to walk; to ride B.walking;riding C.to walk;ride
You______be tired after playing sports for a long time without a rest.
A.must B.need C.can’t
_____the afternoon of April 30th,many foreign visitors arrived___Shanghai.
A.In;at B.On;in C.On;to
Let’s search the Internet for some information about famous people,______?
A.will you B.won’t you C.shall we
The boy found______hard to get along with the other classmates.
A.this B.that C.it