If you hear __(介词)your friend ,you should write __(介词)him.
If you hear __(介词)your friend ,you should write __(介词)him.
If you hear ___(介词)your friend ,you should write __(介词)time.
____(介词)your good friend .I should help you.
You should thank him ( ) repairing your bike 介词填什么?
You should write him a letter.改为同义句:You should ____ _____ __
the boy __ the car is my friend.(介词)
Can you give him a hand (改为同义句)Can you __ him __ __
she will explain it __ you __ me .填介词.
You won't see your pen friend anymore(同义句) You will _____ __
what can you see __ the picture ___ Page 38(填写介词)
You should tell your mother about it at once.(同意句) =You __ _
what would you do if you __(have)no time to go to your frien