You can't take photos if you see the sign____________ .
A. 
B. 
C. 
D. 
I didn't buy the book because the seller wanted money than I had expected.
A. less B. fewer C. cheaper D. more
The mobile phone has influenced people’s life a lot since it ___________.
A. invented B. has invented
C. is invented D. was invented
Alice is made her bedroom every day.
A. to clean B. cleaned C. clean D. cleaning
--Excuse me, sir. Is the swimming pool open during the daytime?
-- . Only from 6:00 p.m. to 10:00 p.m.
A. That's right B. Yes, of course
C. Sorry, I'm afraid not D. Sorry, I am not sure
I _____ cooking at home to eating out.
A. would rather B. like C. pre{er D. enjoy
