We have no idea _____ he will come to attend the meeting tomorrow.
Women _______ drink more than two cups of coffee a day have a greater chance of having heart disease than those _______ don’t.
It is in Nantong _____ you’re going to pay a visit to ______ this kind of radio is made.
The girl _______ bike you took just now _______ at it.
He worked seven days a week, and six of ________ until one o’clock at night.
The wrong you have done to him is terrible, for _____ you should make an apology to him, I think.