He thought about  ______Greece or Spain for vacation.
#50051
A
go to
B
to go to
C
going to
D
going
推荐题目
—It’s necessary ____ our environment(环境).  —I agree with you. 
#50553
A
protect(保护)
B
protecting
C
to protect
D
protects
 I would rather die than ______.
#49197
A
to give in
B
gave in
C
giving in
D
give in