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
推荐题目
He always spends______money ______books.
#48573
A
much too ;buying
B
too much;buying
C
too many;to buy
D
too much;to buy
We have so many kinds of guitars for you ________.
#49705
A
to choose
B
to choose from
C
to be chosen
D
to be chosen from
One way _____ this problem ______ search for some information on the Internet.
#49168
A
solve; is to
B
to solve; is to
C
to solve; is
D
solve; is
Why don’t you           an English club to practice           English?
#48395
A
to join;to speak
B
join;speaking
C
join;to speak
D
to join;speaking