Shuangliu is ______ most beautiful town and I’m sure to come for _______ second time.
Only by increasing the number of doctors by 50 percent ________ properly in this hospital.
Look! The ground is wet. It must have rained last night, ________?
I told Mom that not everyone could manage to have 3 meals on time everyday, ________?
No sooner ________ down on bed ________ the telephone rang.
—Shall we go for a drink at one o'clock this afternoon?—________. Will two o'clock be OK?