条件状语从句练习题

1.I’ll lend you my car _______ you return it intact.
A. so far as B. as long as C. unless D. until
2.We are going to have a barbecue _______ it rains .
A. if not B. when C. except that D. unless
3.Eat less food _______ you want to put on weight .
A. if B. unless C. until D. as soon as
答案： CDB