Out of the crowded bus _______, who was dressed in a black suit and waved to a woman.
A.a tall man in his thirties stepped | B.stepped a tall man in his thirties |
C.did a tall man in his thirties step | D.did a tall man step in his thirties |
They _____ be at home. You see, the door is locked from the outside.
A.may | B.must | C.mustn’t | D.can’t |
______ you return those books to the library immediately, you will have to pay a fine.
A.Until | B.Unless | C.If | D.Provided |
The teacher began by _____ us where the city was and went on ______ about its history.
A.telling...to talk | B.to tell...to talk | C.telling...talking | D.to tell...talking |
Human be haviour is mostly a product of learning, ____ the behavior of animals depends mainly on instinct.
A.whereas | B.so | C.unless | D.that |
_______ from the hill, the whole city of Nanjing looks more beautiful.
A.As people see | B.Seeing | C.People see the city | D.Seen |