—Are you sure you have to? It’s been very late.
—I don’t know___I can do it if not now.
A．where B．why
C．when D．how
—Do you know________?
—I’m not sure. Maybe he is a businessman.
A．who he is B．who is he
C．what he does D．what does he do
It takes me half an hour_____the piano every day.
A．play B．playing C．to play
一What do you usually do in the morning?
一I often practice _____English.
A．speak B．to speak C．speaking
Remember ________ off the lights when you leave the room, please.
A．to turn B．turning C．turn
He wants to have his TV ______.
A．repairing B．repaired
C．to repair D．repair
