Time should be made good use of ____ our lessons well. 
#98053
A
learning
B
learned
C
to learn
D
having learned
推荐题目
Having lost his key,________.
#91037
A
he couldn’t enter the room
B
the gatekeeper offered to help
C
the door was forced open
D
the room couldn’t be entered
_____ the front door _____, he had to enter the room through the back door.
#98866
A
Seen; painted
B
Seeing; painted  
C
Being seen; being painted
D
Seeing; being painted
 ________a long wool coat, he didn’t feel cold any more.  
#91934
A
Dressing
B
Dressing in
C
Dressed in
D
Dressed up
When first____ to the market, these products enjoyed great success.
#95754
A
introducing
B
introduced
C
introduce
D
being introduced
 ____ knocked down and hurt worried her friends.
#98001
A
Kate’s being
B
Kate was
C
Kate being
D
Kate had been