21£®Though every parent admits that reading contributes to better mind of their child, yet let’s face it, who has got time?
A£®a; the B£®a; / C£®the; the D£®the; /
22. Alone in the lab on Sundays, the young scientist was so busy with his research work that he felt _____ but lonely.
A. nothing B. all C. anything D. everything
23. ---- Did you pass the driving test?
---- No. I ______ it, but I had little time practicing.
A. could have passed B. must have passed
C. can’t have passed D. shouldn’t have passed