A new way of teaching _____ in the article can make learning easier.
#88865
A
introduced
B
has introduced
C
was introduced
D
is being introduced
推荐题目
—Why does the lake smell terrible? —Because large quantities of water _____.
#93664
A
have polluted.
B
is being polluted.
C
has been polluted.
D
have been polluted.
It was so cold that he had the fire ___________ all night long.
#90365
A
to burn
B
burn
C
burning
D
burned
Personally, it is no good ________ online all day long. It is really a waste of time.
#93439
A
to chat
B
chats
C
chatting
D
chatted
(2013·北京东城高三教学统一检测)We tried ________ the window, but it was still hot in the room.
#89297
A
to open
B
opening
C
open
D
opened