We went to Hainan Island on May Day and had great fun ________ in the sea.
A．surf B．surfing
C．surfs D．to surf
Our English teacher is very strict _____us and he is strict_______his teaching.
A. with, at B. with, with
C. at, at D. with, in
I hear someone ________ in the room now.
A．sing B．to sing C．singing D．sang
—Is there ________ in today's newspaper?—No.
A．important something B．important anything
C．something important D．anything important
Sorry, your car ______in front of the hotel.
A.can put B.be not put
C.can’t be put D.can be not put
I wonder________ he will come back tomorrow.
A．unless B．if C．though D．even
