A spaceship flies at about eleven kilometers _______ second.
A．/ B．the C．a D．an
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
—Let's play football on the playground.
—It’s too hot outside. I would rather______ at home than______ out.
A．to stay; go B．staying; going
C．stay; to go D．stay; go
