______, I can spare no time for it now. I’ll have to finish my homework first.

My mom always tells me that _________/’n?θ??/ is difficult.

Whose shirt is this?—It ______ be Li Lei’s. It is too big for him.

_______ are you staying?—We’re staying for two weeks.[ ]

My home is in that tall building over there.　—　　　　　 ?