语法词汇练习 语法大全 语法详解 英语听力 
In the old days, people lived in caves and they had to make a fire _________themselves warm.
#50642
A
to keep
B
keeping
C
keep
D
kept
下一题
推荐题目
When I got into the classroom, I found a book ______ on the floor.
#51284
A
lying
B
lies
C
lie
D
lied
We should spend as much time as we can        English.
#50215
A
read
B
to reading
C
to read
D
reading
Teenagers should do what they can ________ their achievements.
#48794
A
to realize
B
realize
C
realized
D
will realize
—What do you think has made Jane so worried?—_______ all the tickets for the stamp show.
#50580
A
Lose
B
Lost
C
Losing
D
To lose
Do you enjoy ________ Chinese in our school, Bob?
#49307
A
learn
B
learning
C
learns
D
to learn