If we sit near _______ front of the bus, we'll have _______ better view.()
We have made good preparations for Sarah’s birthday, but if she ________ late to the party, it would ruin the surprise for her.
Technology has quickened the rate _________ we communicate with the world around us.
Some people think it __________ privilege to study abroad, but it doesn’t make _________ sense if you go when you even cannot look after yourself.
--- I once got lost during my first visit to Beijing.-- Oh, did you? You _______ me as your guide.
How long do you think it will be _______ scientists succeed in providing a cure for cancer?