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. read B. remember C. speak
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
Everyone was amazed at how he solved this problem.
A. was interested in
B. was surprised at
C. was pleased with
