_______ about the man wearing sunglasses during night that he was determined to follow him．
| A．So curious the detective was | B．So curious was the detective |
| C．How curious was the detective | D．How curious the detective was |
____all the required papers. he didn't answer the questions fluently in class.
| A．Having not read | B．Not having read | C．Not read | D．Not to read |
.--I sent him a most interesting story book by mail this morning.
--You____so; he's coming tomorrow morning.
| A．needn't do | B．needn't have done | C．don't need to do | D．didn't need do |
They____on the program for almost one month before l was arranged to help them. Now, we____on it as no result has come out.
| A．had been working: are still working |
| B．had worked; were still working |
| C．have been working; have worked |
| D．have worked; are still working |
Meeting my uncle after all these year was an unforgettable moment ,_______I will always remember.
| A．that | B．one | C．it | D．what |
---Keep a____eye on your little girl!
-Oh, my God! She is standing too ____to the fire.
| A．closely, closely | B．close, closely | C．close，close | D．closely , close |