---Who’s that at the door, Tony?
---________ is the postman, I think.
A. He B. It C. This D. That
The plan they are talking about _________ improving greatly.
A. need B. needs C. needing D. Needed
—I’m sorry, sir. I’ve made lots of mistakes in the monthly exam.
— Never mind. ___________, the exam is a bit difficult.
A. In all B. Above all
C. After all D. First of all
—What can you see _________ the bridge, Millie?
—Oh, an elephant is standing over there. Let’s go and see it.
A. across B. through C. above D. Over
— 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
---Can you describe what Mr. Green's daughter is like?
--- Oh, she has the very_______ of Mr. Green. I'm sure you can know her at the first sight.
A. photo B. voice C. look D. taste
