unit 5 单元过关 b卷 ⅰ. 单项填空（共20小题；每小题1分，满分20分） 1. — it’s getting late. i'm afraid i must be going now. —ok. ¬¬¬¬¬_________. a. take it easy b. go slowly c. stay longer d. see you 2. the journey around the world took the old sailor nine months, ____ the sailing time was 226 days. a. of which b. during which c. from which d. for which 3. —having a nice sunday. — . a. the same to you b. you do too c. the same as you d. you have it too 4. —how's the young man?
