When he came back three hours later, they were still ____on the sofa, _____ in conversation.
#93766
A
sitting ; absorbing
B
sitting ; to absorb
C
seated ; absorbed
D
seated ; to be absorbed
推荐题目
One learns a language by making mistakes and _______ them. 
#97851
A
correct
B
correcting
C
corrects
D
to correct
—Would you mind my _______ your speech? —Not at all. Go ahead. 
#92137
A
record
B
to record
C
recording
D
of recording
The doctors did all they could _______ him _______.
#97139
A
to bring; back to life
B
bring; back to life
C
bring; to life
D
to bring; to living
Liu Xiang is believed _____ over $ 20 million in advertisements last year alone.
#91592
A
to earn
B
have earned
C
to have earned
D
having earned