The teacher was absorbed in writing something, only _____ now and then to refer to a book or another. 
#95364
A
to stop
B
stopped
C
stopping
D
having stopped
推荐题目
 He was sad for ________ any chance of his going to college.
#96456
A
there being not
B
there not being
C
not there being
D
not being
The plan to be carried out next month needs ______ among the members of the labor union before ______.
#93636
A
to discuss;carrying out  
B
to be discussed;carried out
C
discussing;being carried out   
D
discussed;to be carried out
Mark has come in his raincoat and boots, _____ for rain.
#89820
A
preparing
B
prepared
C
to prepare
D
prepares
Samuel Clemens , ______ Mark Twain , became a famous writer .
#96872
A
was known as
B
known as
C
was known for
D
known for