is believed that improvement in health care will lead to a stronger , more prosperous economy .
A. As B. That C. This D. It
----May I smoke here ?
-----If you , choose a seat in the smoking section .
A. should B. could C. may D. must
I like getting up very early in summer. The morning air is so good .
A. to be breathed B. to breathe C. breathing D. being breathed
-----She looks very happy. She have passed the exam.
------I guess so. It’s not difficult after all.
A. should B. could C. must D. might
----Did Peter fix the computer himself?
-----He , because he does know much about computers.
A. has it fixed B. had fixed it C. had it fixed D. fixed it
. your rotten idea, we went the long way .
A. Thanks to B. Due to C. Owing to D. Because
