When the teacher asks him， he always ____.
A. keep silent
B. keeps silently
C. keeps silent
He feels lonely because he has no close friends_______.
A. to talk B. to talk with C. talking
—Did you hear any ______ at about 9:00 last night?
—No. I was enjoying the beautiful ______ of my favourite singer at that time.
A. noise； voice
B. noise； sound
C. sound； voice
She always tells me jokes and makes me _______.
A. to laugh B. laughing C. Laugh
.Helen is 15 years old， and Joan is 15， too. So Helen is _______ Joan.
A. as big as B. so old as C. as old as
—Michael had a fever， so he isn’t able to come.
—________
A. I’m sorry to hear that
B. I’m disappointed
C. Good luck
