--- What is he doing for vacation?-- He’s _______________.
#41642
A
going camp
B
go camp
C
go camping
D
going camping
推荐题目
The lifestyle we were used to ________ a lot these years. 
#39204
A
changing
B
changed
C
has changed
D
being changed
The Reads __________ lunch when I got to their house. 
#36346
A
was having
B
were having
C
are having
D
is having
Some students in Shanghai     e-bags for several months.  
#42251
A
have
B
have had
C
had
D
will have
This kind of iPad ______ in our computer shop. It ______ very well.
#36209
A
is sold; sells
B
sells; is sold
C
sells; sells
D
is sold; is sold