The science of computer, _____rapid progress has been made in recent years, is the most important of all science.
I was ________ in the middle of my call because I had no more coins to put in the box .
-------- The plane is due to take off at 8 from the airport .--------- ________ we fail to arrive there in time ?-------- Try to take anther flight then .
________ for knowledge is very strong.
I think Bob , ______Peter, are to blame for the accident .
It is no use ______ to persuade him _______ smoking because he has been addicted to it.