When first ______ to the market, these new products in their company enjoyed a great success.
#89731
A
Introducing
B
introduced
C
to introduce
D
being introduced
推荐题目
____ each other for years, they talked almost the whole night and had a wonderful time. 
#88676
A
Not having seen
B
Having not seen
C
Not seen
D
Not to see
________ their lessons, they went to the cinema.
#96732
A
Finishing
B
Had finished
C
Finished
D
Having finished
When I came in,I saw her ________ in the sofa ________ in thought.
#90157
A
sat;deep
B
sitting;deeply
C
seated;deep
D
seating;deeply
The boy ________ a strange disease is trying to live a normal life.
#96716
A
suffered
B
suffered from
C
suffering
D
suffering from