Although they feel tired, _________they still go on working.
#56265
A
so,
B
but
C
/
D
and
推荐题目
- What's wrong with you, Madam? - I've lost my valuable painting. But a week had gone by _______ I knew it was missing.
#55958
A
while
B
since
C
until
D
before
________Switzerland (瑞士) is very small , _______it is the land of watch and it is very rich.
#55472
A
Though; but
B
Because ; so
C
Because ; /
D
Though ; /
