1. --- He is a very hard-working student£®
---________£®As far as I know, he often burns the midnight oil£®
A£®You can say that again B£®Absolutely not
C£®Heaven knows D£®No way
2. Of the two brothers, Bill is _____ younger one, and he is a quiet boy, _____ that most adults like very much.
A. a; one B. a; the one C. the; one D. the ; the one
3. All the tasks _ahead of time£¬they decided to go on holiday for a week.
A. had been finished B. were finished C. having been finished D. been finished
4. How long is it ______ we last spent the holiday in the country together?
A. before B. until C. since D. that