Applicants are _________to provide evidence that their English is good enough to study in the United States.

A、demanded

B、obliged

C、due

D、necessary

_________ are you to leave your post.

A、In any case

B、In no case

C、Without question

D、Out of the question

Anything that is dropped from a height falls towards tile center of the earth because of the pull of _________.

A、weight

B、attraction

C、gravity

D、density

Anything that is able to flow as liquid is a kind of ________ substance.

A、mobile

B、variable

C、fluid

D、movable

Are you ________ when you say that you will help me?

A、honest

B、frank

C、sincere

D、profound

An elephant’s trunk is its most noticeable ________

A、Specific

B、characteristic

C、peculiar

D、particular

An argument was _________ because they disliked each other so intensely.

A、possible

B、probable

C、inevitable

D、decisive

Animals can become usually_________ when they are upset by a sudden environmental change.

A、vigorous

B、predominant

C、aggressive

D、irritable

Are the apples __________enough to eat yet?

A、mature

B、big

C、adult

D、ripe

American women were _________ the right to vote until 1920 after many years of hard struggle.

A、ignored

B、neglected

C、denied

D、refused