It took me a long time before I was able to fully appreciate what they __ for me.
#100779
A
had done
B
did
C
would do
D
were doing
推荐题目
 Frank , with his two sisters , _____ London by train which   _______  at 8:30 next morning .
#103840
A
is leaving for ; will leave
B
are leaving for ; leaves
C
is leaving for ; leaves
D
will leave for ; will leave
 In general, most tennis ________ on hard courts or on clay.
#99493
A
plays
B
is played
C
has played
D
has been played
—Why can’t you catch my question?  —Sorry. I _______a magazine.
#103007
A
read
B
was reading
C
had read
D
am reading