September 18, 1937 is a day _______ all Chinese will remember forever.
A. when B. what C. 不填 D. why
There are some health problems that , when _______ in time , can become bigger ones later on.
A. not treated B. not having treated
C. not to be treated D. not having been treated
You will be surprised how quickly you _____ the money , so it is worthwhile to make a plan in advance.
A. put away B. get through C. run out D. end up
---How much does this store often _______ for such large eggs ?
--- Only $ 65 US cents a dozen . It was a real bargain.
A. demand B. cost C. pay D. charge
If the project ________ by the end of this month is delayed , the company is sure to pay a large sum of money for it .
A. completed B. completing
C. to be completed D. having completed
________ astronauts cannot go to a baseball game or a movie in orbit , there are many familiar activities that they can still enjoy.
A. While B. Since C. Before D. Unless
