He didn't know whether_____ or _____ when he heard the words.

When he got() the train, he didn’t know where he was.

A、on

B、up

C、off

D、at

A.was coming

B.will come

C.had been coming

D.comes

[A] why

[B] which

[C] that

[D] how

A.He is the first philosopher to write a book in the West.

B.He invented the Western scientific metho

C.He claimed that he didn’t know anything but could only ask questions.

D.He started a new religion.

A．her father lost a pen

B．her father didn't know where his penny was.

C．she told the father that he lost a penny

D．her father wanted to buy something.

From the story we know Dr Johnson ______.

A．was a good man, he didn't care for the money

B．hurt himself on the way to Glens Falls

C．did the operation and the boy was saved

D．won't do the operation until the boy's family paid the money

A．He didn't know that she also took linear algebra course.

B．He thought she wanted to study alone.

C．He thought she wanted to study with Elizabeth.

D．He had told her that he had done poorly on a recent test.

A．Because he hated the war.

B．Because he felt shame and dishonor.

C．Because he wanted to stay away from his friends and foes alike.

D．Because he didn't know that Japan had lost the war.

David had been there for nearly an hour. He didn't know ______ to wait or go home.

A．if

B．neither

C．whether

D．either

A、get over

B、get down

C、get out of

D、get off

Not until Dr. Brown came to the city ______ what kind of the city she is.

A．did he know B．he didn't know

C．he knew D．he could know