Can you imagine what difficulty he had ____ the work?
#89953
A
to do
B
do
C
doing
D
done
推荐题目
 She was heard _______ at English song.
#96864
A
to sing
B
sang
C
sing
D
to be sung
 _________ his friend when they met on the street made his friend very upset.
#91537
A
Tom didn’t greet
B
Tom’s not greeting
C
Tom not greeting
D
Not Tom greeting
On the bank of the river, we found him _____on a bench, with his eyes _____on a kite in the sky. 
#88537
A
seated; fixing
B
sitting; fixing
C
seated; being fixed
D
sitting; fixed