On rainy days, accidents ______ happen sometimes on steep roads.
Harry telephoned to the airport to_________ whether Flight 24 for San Francisco is departing on time.
The school, more than 90 percent of whose graduates are usually admitted into key universities, enjoys an excellent _______.
The athletes were all standing by the skating field, _________skating suits.
Some people think it ________ privilege to study abroad, but it doesn't make _______ sense if you go when you even cannot look after yourself.
Do you think he would have given you a hand in your time of financial difficulty?He ______ had he known about it. After all, we are good friends.