Nearly half a million immigrants，many of them English—speaking， in the country during the last quarter of the nineteenth century．
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A
have arrived
B
had arrived
C
arrived
D
have been arriving
推荐题目
So far this year we ________ a fall in house prices by between 5 and 10 percent.
#101449
A
saw
B
had seen
C
have seen
D
see
Look at the timetable. Hurry up! Flight 9598 ______ off at 12:18.
#103752
A
takes
B
took
C
will be taken
D
has taken
I didn’t hear you because I __________ the news on the radio.
#100146
A
listen to
B
am listening to
C
listened to
D
was listening to
David _____ a customer when the fire started．
#101355
A
served
B
was serving
C
had served
D
would serve