Nearly half a million immigrants，many of them English—speaking， in the country during the last quarter of the nineteenth century．
#102171
A
have arrived
B
had arrived
C
arrived
D
have been arriving
推荐题目
Since the recent river pollution in several provinces, people _______ more and more attention to the quality and safety of drinking water.
#100455
A
pay
B
are paying
C
have paid
D
have been paying
——Guess what！I met an old school friend last week.——How nice！How long____ each other？
#100091
A
didn't you see
B
haven't you seen
C
hadn't you seen
D
don't you see
My neighbour came to ask me why there was so much noise in my house yesterday afternoon. I told her that some children an English song.
#102835
A
praticed
B
would practice
C
have practiced
D
were practicing
As a leading producer of greenhouse gases, China the United States as the largest consumers of energy．
#99345
A
describes
B
joins
C
controls
D
influences
--- What on earth is that noise? --- Oh, the next flat ___________.
#100208
A
was decorated
B
was decorating
C
is being decorated
D
is to be decorated