问题

We have planted many trees in order to ____wind and sand in the desert.

A:hold down
B:hold up
C:hold back
D:hold out

正确答案是：

同类题型

Who is dancing to music in the next room– ________ the children

Do you know the boyHeis three years than me.

The old photos buried at the bottom of the suitcase __________ me of those happy old days we had spent together.[ ]

This story is _____easier and ______exciting to read than that one.

Next door to ours ______, who has impressed uswith his special talking style.