Stop cutting trees, _______ the earth will become worse and worse.
#56446
A
and
B
then
C
because
D
or
推荐题目
---_____ have you lived in England?    --- For 3 years.
#57221
A
How long
B
How much
C
How often
D
How many
Bob is young, _______ he knows a lot. 
#58536
A
because
B
so
C
but
D
unless
_________ he tried many times, he still didn’t move the big sofa. 
#55663
A
So that
B
First of all
C
Even though
D
In the end