—What’s worrying you, dear?—Nothing. I was just thinking about the problem ______ tomorrow.
#95228
A
to be discussed
B
being discussed
C
discussed
D
discussing
推荐题目
To succeed in a scientific experiment _____ .  
#98179
A
carefulness is need
B
carefulness is one needs
C
one needs to be careful
D
one need being careful
We are invited to a party _________in  our club next Friday.  
#98989
A
to be held
B
held
C
being held
D
holding