问题

You can find ________ become more difficultto see clean rivers in our city.

A: giveup
B: ask forhelp
C:make adecision
D: try your best

正确答案是：

同类题型

Have you finished the book?—No，I’ve read up to____ the children discover the secret cave

The train arrived ____Nanjing _____ 6.00 _____the afternoon of Sep. 13.

_____ him in time, otherwise he would have fallen off the bike

She felt extremely tired, and her spirits _________

It’s the present situation in poor areas_____calls for much higher spending on education and training.