He was puzzled by this phenomenon. He began to try every approach _________ the best way of working it out.
#96968
A
known to find
B
knowing to find
C
known finding
D
knowing finding
推荐题目
Mrs. Brown was much disappointed to see the washing machine she had had ____ went wrong again.
#90738
A
it
B
it repaired
C
repaired
D
to be repaired
Certainly I posted your letter---I remember ____it.
#98874
A
posting
B
to post
C
to be posting
D
have posted
(2013·高考福建卷)________ basic firstaid techniques will help you respond quickly to emergencies.
#89478
A
Known
B
Having known
C
Knowing
D
Being known
When he ______the door, he found his keys were nowhere.
#88230
A
would open
B
opened
C
had opened
D
was to open
They suggested that the professor ______ just now ______ chairman of the meeting.
#92344
A
referring to; was made
B
referring to; be made
C
referred to; be made
D
referred to; was made