I think that’s the only way we can think of _____

 I think that’s the only way we can think of ______ the math problem.

#91702

solve

solves

to solve

solving

推荐题目

（2014届江西省重点中学盟校高三第二次联考英语试卷）32. The new technology, if _____to rice growing, will help increase the grain output．

#88401

applying

applied

to apply

having applied

We’ve come to help. Which room do you want ______?

#97422

cleaning

cleaned

to clean

to be cleaned

My classmates, Li Ming, was highly praised for ___ a good deed.

#97842

doing

have done

having done

being done

You can never imagine what great difficulty I had ________ his parents.

#96631

finding

of finding

to find

about finding

--- I’d like to buy an expensive sports car.----- Well, sir. We’ve got several models_______

#96975

to be chosen from

to choose

to choose from

for choosing