29. The field research will take Joan and Paul about five months; it will be a long time ______ we meet them again.
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?
—I feel so nervous about the National English Speech Competition tomorrow. —________.