America, as well as Japan, England, and Germany_______.
A.are developed countries
B.are developing countries
C.is a developed country
D.is developing countries

Since they aren't answering the phone, they _______ their house.
A.need have left
B.can't have left
C.must have left
D.should have left

Not everybody thinks the building is ugly. _________ some people say it looks marvelous.
A.On the contrary
B.Because
C.Although
D.Since

Jim: "What about going out for some drinks?" Linda: "_________ Let's do that."
A.I can't agree with you more.
B.I'm afraid I can't do.
C.Sorry, I don't like
D.No, it's interesting, isn't it?

_______ to his brother's graduation ceremony, George wouldn't have met Mary.
A.Had he not gone
B.Hadn't he gone
C.If he has not gone
D.If he shouldn't have gone

I studied English for four years in high school. _________ had trouble talking with people when I was traveling in the US .
A.Otherwise, I
B.Therefore, I
C.Although I
D.However, I

The maid ___________the beds every morning.
A.has
B.does
C.takes
D.makes

We all hope that the dispute _________by the end of the month.
A.was going to settle
B.will have been settled
C.had been settled
D.is supposed to settle

Gold, as well as silver, ________in price, he said.
A.Have fallen
B.has fallen
C.fall
D.are falling

____migrate long distances is well documented.
A.That it is birds
B.That birds
C.Birds that
D.It is that birds