Tom sat under a tree chatting with his friends and _____ his teacher, stood up in no time.
#96223
A
seeing
B
seen
C
saw
D
to see
推荐题目
with the size of the whole earth , the biggest ocean does not seem big at all .
#93647
A
Compare
B
When comparing
C
Comparing
D
When compared
Taobao.com has begun selling tickets online for international flights, ______ to cut the market share of Ctrip.com and other competitors.
#90372
A
to aim
B
having aimed
C
aiming
D
being aimed
His new novel is ________his own experience when he was studying in Harvard University.
#96591
A
based in
B
basing in
C
basing on
D
based on