单项选择题
A.you make B.can you make C.you be able to make D.will you able to make
One needs a good sense of（） to ride a bike.A.level ...
单项选择题One needs a good sense of（） to ride a bike.
A.level B.skill C.balance D.ability
One day while Mr. King was working, he had a/an（）：his ...
单项选择题One day while Mr. King was working, he had a/an（）：his left leg was badly injured.
A.business B.accident C.matter D.event
One cannot learn a foreign language well（）he studies ha...
单项选择题One cannot learn a foreign language well（）he studies hard.
A.unless B.if C.as D.when
