Shall we go to play football—________ . Let’s go!

The house used to be my property, but now it is ________ an old lady.[ ]

下列各句中，没有语病的一句是

two centimeters higher, _______ breakthe world record,” encouraged the coach.

The boys hid themselves in the places ________ they couldn’t be found.—How naughty(淘气的) they are!