We can't ______water here. This water isn't clean.
A, to drink B. drink C. drinking
I have lots of _________ .
A. ship stamp B. ships stamps C. ship stamps
Look , the boys _________ the football game .
A. is watching B. are watching C. watches
Does Gao Shan have _________ hobbies ?
A. some B. any C. all
That boy usually plays the piano _________Sunday morning .
A. at B. in C. on
I _________to bed at 9:00 every evening
A. goes B. go C. am going