___ great fun we had in Yandu Park last Sunday!
A. How B. What
C. What a D. How a
— Must I turn off the gas after cooking?
— Of course. You can never be________ careful with that.
A. enough B. too
C. so D. very
We can have ________ bluer sky if we create _________less polluted world.
A. a; a B. a; the
C. the; a D. the; the
–What about food? Would you like some _______?
–Yes, please.
A. egg B. tea
C. rice D. banana
--I’m too nervous to give a speech before so many people. ---_______, Maria. You can do it.
A. That’s true B. With pleasure
C. Come on D. You’re right
―Where’s your father?
―He _____ abroad on business.
―Really? But he can’t _____ many English words.
A. has been, tell B. has gone, speak
C. has gone, say D. has been to, talk