單項選擇題

We have kept（）our friendship by writing to each other, so we are true friends.

A.back
B.up
C.off
D.down

你可能感興趣的試題

單項選擇題

We failed in our（）to climb the mountain.

A.trial
B.contempt
C.desire
D.attempt

單項選擇題

If you want to learn something, you had better pay（）in class.

A.care
B.respect
C.attention
D.notion