随着英语的普及，学好英语成了大学生最大的目标。为帮助大家轻松掌握专业知识，特提供以下资料：
1. Although __1__ Spanish, he attended the course.
A. he was knowing B. he is knowing
C. having a knowledge of D. knows
2. You __2__ that letter to James. However, you didn’t.
A. ought to write B. ought to have written
C. should write D. should be writing
3. Joseph was very lucky __3__ with his life; he almost did not get out of the room.
A. to escape B. to have escaped
C. to escaping D. to be escaping
4. Bread and butter __4__ liked by Westerners.
A. is B. are C. were D. be
5. The back garden of our house contains a lawn, __5__ very pleasant to sit on in summer.
A. which is B. which it is C. it is D. where it is