The math problem seems very easy, but in fact it is very difficult_______.
#90069
A
to work out
B
being worked out
C
working out
D
to be worked out.
推荐题目
This year, Chinese readers are especially excited with the Nobel Literature Prize, for the first time, _______ by a Chinese citizen, Mo Yan.
#90971
A
to win
B
won
C
winning
D
having won
—How do you deal with the disagreement between the company and the customers?—The key________ the problem is to meet the demand____ ____by the customers?
#88466
A
to solving；making
B
to solving；made
C
to solve；making
D
to solve；made
_____ with a difficult situation, Arnold decided to ask his boss for advice.
#97463
A
Faced
B
To face
C
Having faced
D
Facing
Time should be made a good use ____ our lessons well.
#98588
A
of to learn
B
of learning
C
to learn
D
to learning
Smiles around the world _____ be false, ______ other feelings like anger, fear or worry.
#95306
A
must; hide
B
must; hiding
C
can; hide
D
can; hiding