你不知道对方具体说的是哪个,你会说:A.Which one? B.Who’s he ? C.Who’s she?
Last weekend, I didn’t ______ my aunt.
Tom spent 2 hours _______ math yesterday evening.
Henry is very lazy and he does ______ at home.
What ______Tom _______last weekend?
Did you ______ to the supermarket _____ Sunday morning.