As far as I know, the production of th...

单项选择题As far as I know, the production of this factory has doubled this year, and the quality of its products has been improved __________.

A．since then
B．by then
C．until now
D．as well

1.单项选择题When the man with glasses came into the hotel, I noticed a __________ look come over the manager’s face.

A．surprised
B．surprising
C．surprise
D．surprisingly

2.单项选择题By the time Neil Armstrong and Edwin Aldrin walked on the moon in 1969, there ________ many space explorations.

A．will have been
B．had been
C．have been
D．must be

3.单项选择题I regret __________ hard at school, or I would have passed the exam.

A．to have not worked
B．having not worked
C．not to have worked
D．not having worked

4.单项选择题No sooner had we reached the top of the hill __________ we all sat down to rest.

A．when
B．then
C．than
D．until

5.单项选择题There __________ in his room.

A．are too many furnitures
B．is too much furniture
C．are too much furniture
D．is too many furnitures

6.单项选择题I miss the hillside ___________ we found a lot of wild flowers.

A．on which
B．by which
C．in which
D．for which

7.单项选择题 ____________ for their support, he would have gone penniless.

A．If it is not
B．If it is
C．Were it
D．Were it not

8.单项选择题During July and August there was no rain for weeks __________.

A．on end
B．in the end
C．at last
D．at length

9.单项选择题I expect that she will be able to _________ our particular needs.

A．supply
B．reach
C．provide
D．meet

10.单项选择题His __________ reply to the question showed that he had understood it very well.

A．proud
B．important
C．tense
D．quick