--- I really don’t know how ________ this problem.--- Let me see.

 --- I really don’t know how ________  this problem.--- Let me see.

#49068

to do with

to deal with

doing with

dealing with

推荐题目

It’s easy ______ English and it’s important ______it.

#49674

study, use

say, speak

speak, say

to learn, to practice

We had a hard time ____________ the basketball match, but finally we made it.

#51231

win

won

to win

winning

It is necessary _____ something to protect our environment.

#50188

to do

does

doing

When we saw her in the street, we stopped ______ to her.

#51041

talk

to talk

talking

talked

Would you please   me how to do it ?

#50447

tell

telling

to tell

not to tell

共1553题