4. A. where 5. A. 不填
B. who C. which B. the
C. an
D. when D. a
6. A. morning B. noon C. afternoon D. day 7. A. leave 8. A. first
B. leave for B. second
C. play in D. visit C. third D. fourth
9. A. so as to B. so that
C. such that D. in order to 10. A. smart
B. quiet C. lucky D. Kind
6