—Look at the flowers I gave you last month. They are dying! ________ do you water them?
—Sorry, I forgot to water them.
A. How long B. How often
C. How soon D. How much
—When will you return the book to me?
—I’ll give it to you _________ I finish it.
A. once B. until
C. as soon as D. unless
“Learning from Lei Feng Day” is only two weeks from now. We need to ________ a plan about it.
A. come up with B. put up
C. call up D. set up
—Look, someone left a book.
—Oh, yeah … This book ________be Kitty’s. Only she likes to read this kind of books.
A. can B. must
C. may D. might
Look, so many people are running out of the station. I wonder what ________.
A. is happened B. was happening
C. is happening D. had happened
—Which of the two pairs of shoes will you take?
—I’ll take ________. They are too small for me.
A. both B. all
C. either D. neither
