Using renewable energy sources is a simple idea, but ______ we find it hard to put into
practice.
| A．one | B．what | C．which | D．that |
The Pacific region will be one of the fastest growing areas in the world in the 21st century. _________ shouldn’t be any doubt about it now.
| A．It | B．There | C．This | D．That |
．I feel sorry for those young people who don’t care for their aged people__________mine.
| A．as I do care | B．do as I care | C．do as I | D．as I do |
About seven years ago she felt she had to ask herself __________she really wanted to spend her life farming. Now she has make up her mind to quit farming.
| A．when | B．whether | C．what | D．where |
Unemployment is on the increas
e. A growing number of young people, __________, are finding themselves out of work.
| A．in case | B．all in all | C．in particular | D．as a result |
Peter was sure that__________he drank any more of this good red wine he would fall asleep.
| A．if | B．when | C．as | D．since |