People will live ____________ 200 years old in the future.
#49596
A
/
B
be
C
to be
D
in
推荐题目
I’m too busy _______ my homework _______ walk my dog every day.
#51203
A
to do; to
B
doing; to
C
to do; /
D
doing; /
Can you come to my house ______the science report? 
#48769
A
discuss
B
to talk
C
to discuss
D
discuss about
 Simon is very confident. He isn’t afraid of ______ in the whole school.
#49170
A
make a speech
B
making a speech
C
makes a speech
D
made a speech
Do you enjoy __________ on the Internet?
#49165
A
surfing
B
surf
C
to surf
D
surfed