—Did Alan see his old friends yesterday? —Yes, he did. He     his old friends for several years.
#52763
A
didn’t see
B
wouldn’t see
C
hasn’t seen
D
hadn’t seen
推荐题目
-- What can trees do _________ us ?--- They can _________ harmful gases and produce oxygen .
#58609
A
helping , take in
B
to help , take in
C
helping , take out
D
to help , take care
This orange sweater looks very nice. Can I _______?
#56255
A
try on it
B
try them on
C
try it on
D
try on them