______ those troublesome messages, you’d better not give out your number to anyone whom you don’t know.
#89394
A
Avoiding
B
Avoided
C
Having avoided
D
To avoid
推荐题目
 I can make myself _____ in French, but I’m not fluent. 
#98746
A
understood
B
understand
C
to understand
D
being understood
—I would like to buy an expensive camera.—Well.We have several models________.
#88718
A
to choose from
B
of choice
C
to be chosen
D
for choosing
Tell Mary there is someone __________ for her at the door.
#88256
A
wait
B
to wait
C
waiting
D
waited
They would not allow him _______   across the enemy line.  
#95366
A
to risk going
B
risking to going
C
for risk to go
D
risk going