当有人向你说“When were you born?”时，你可以用“ ”回答。
A．Fine, thank you. B．How do you do? C．I was born in 1998.
My dad is often abroad on business.
A. travelling
B. on board
C. in a foreign country
The children were in trouble.
A. having good luck
B. in difficulty
C. in a traffic jam
Peter can learn the new words by heart.
A. keep...in mind
B. member
C. in memory of
Trust yourself and your own ideas.
A. Be sure B. Believe in C. Agree with
This problem seems difficult to solve.
A. looks at B. feels C. Appears