I need time to finish the work.
A:plenty of
B:many
C:plenty for
D:a plenty
—I will visit my grandparents in Beijing next month. Could you please tell me______?
—Oh, you may take the subway there.
6km=____m
15km=____m
关于晨昏线(圈)的叙述,错误的是( )
10枚 是____角,正好是____元.
下列关于人体呼吸的叙述,正确的是( )