British adventurer and swimmer Lewis Gordon Pugh became the first person to swim in the icy waters of North Pole，to raise awareness of how global warming ______ the polar ice cap.
#104351
A
had affected
B
is affecting
C
affected
D
will affect
推荐题目
— Are you a member of the club?— . It’s years since I .
#101968
A
Yes; was
B
No; was
C
Yes; had been
D
No; became
(2013·高考重庆卷)I felt very tired when I got home，and I________straight to bed.
#99707
A
go
B
went
C
had gone
D
have gone
35．—Sorry for having kept you waiting ．But for the traffic jam,I________20 minutes earlier．—Never mind．I haven’t been waiting that long．
#103888
A
arrived
B
would arrive
C
would have arrived
D
had arrived
Three fourths of the homework _______ today.
#103523
A
has finished
B
has been finished
C
have finished
D
have been finished
With the effects of global warming, trees their leaves much later in the year.
#102448
A
are losing
B
have lost
C
lost
D
were losing