These natural disasters have warned us that everyone should start to protect the_________ immediately.
A. amusement B. development C. environment D. government
There_________still some milk in the fridge. It’s not necessary to go to the store today.
A. am B. is C. are D. be
—_________T-shirt do you like better, the red one or the blue one?
—I prefer the red one.
A. How much B. How many C. Whose D. Which
Your English teacher has never lost his temper, _________he?
A. has B. hasn’t C. did D. didn’t
You had better_________because you have to drive back home.
A. not drinking B. not drink C. don’t drink D. not to drink
As we all know, it’s not polite to keep others_________for a long time.
A. wait B. waited C. to wait D. waiting