21£®----Could you do me a favour and take these books to my office?
---- Yes£®_______£®
A£®for pleasure B£®I could C£®my pleasure D£®with pleasure
22£®_____ walk is expected to last all day,so bring_____ packed lunch£®
A£®A;a B£®The;X C£®The; a D£®A;X
23£®The place______ the bridge is supported to be built should be _____ the cross river traffic is the heaviest 21ÊÀ¼Í½ÌÓýÍø
A£®which; where B£®at which;which
C£®at which;where