------“Where was Li Ming last night ?” ------“I saw him ____ his homework in the classroom.”
#90682
A
was doing
B
did
C
doing
D
to do
推荐题目
 The boy ________ a blue jacket is John’s brother.
#96733
A
wear
B
wore
C
wearing
D
wears
Mary hasn't decided whether to take up tennis, basketball, or ___.
#97774
A
beginning to play football
B
begin to play football
C
beginning playing football
D
to beginning playing football
The picture ________in my bedroom is painted by a famous artist.
#88308
A
hanged
B
hung
C
being hung
D
hanging
 ________ he had won the first prize, he felt very happy.
#96731
A
Know
B
Known
C
Knowing
D
Being known