A.fifties B.fifty C.fiftieths D.fiftieth

【题目】There was nothing ____ her ____ so.
A.prevent; from doing
B.to prevent; from doing
C.preventing; from doing

— We should wait _________ others are breaking the rule.

A. if B. although C. unless D. because

— I work at the hospital.

A. to do B. do C. to doing D. Doing

A.otherB.elseC.someD.also

A. play B. plays C. playing D. to play

—___________

A. How are you B. Good morning.

C. How old are you D. How do you do

--- .

A. Twice a week B. Twice C. A week D. Two times

【题目】— Get up earlier, _____ you'll be late for school.
— OK, I will.
A.and
B.or
C.so

A.raise B.rise C.raised D.rose