(2013·高考山东卷)Mark needs to learn Chinese ________ his company is opening a branch in Beijing.
#67416
A
unless
B
until
C
although
D
since
推荐题目
_______ in the school rules that boy students should not wear long hair.
#72293
A
What is required
B
What requires
C
It is required
D
It requires
If we ______ take environmental problems seriously, the earth _______ worse and worse.
#40979
A
don’t; will be
B
won’t; isn’t
C
won’t; is
D
don’t; won’t be