1.Historically, _______ main material for making tables has been wood, but ______ metal and stone have also been used.
A. the; / B. /; / C. the; the D. /; the
2. Do you enjoy listening to records? I find records are often _______ or better than an actual _____ performance.
A. as good as B. as good C. as well as D. good as
3. It will be quite a long time _______ she is back again, so don’t be too cross with her.
A. that B. since C. before D. until
