【2012河北】Studyingingroupsisnece-优题课

题文

【2012河北】Studying in groups is necessary______ you want to do well in school.

A．if

B．until

C．unless

D．though

科目英语题型单选题难度中等

相关试题

satisfaction n.
A.满意 B.幸福 C.高兴

right away
A.跑掉 B立刻，马上 C.稍后

breathe v.
A.玩耍 B.扫地 C.呼吸

try out
A.赠送B.试用 C.努力

take risks
A.冒险 B.乘车 C.享受