二、单项选择：（共15小题；每小题1分，满分15分）
21. This is just___ challenging job all the students want to get. Do you have anyone in ___ mind for it?
A. a; the B. a; / C. the ; the D. the , /
22. He ___ the truth of my remarks, although I go against his interests.
A. can’t but admitting B. can’t but to admit
C. can’t but admit D. can’t help but admitting
23. It was not until she had arrived home ___her appointment with the doctor.
A. did she remember B. that she remembered
C. when she remembered D. had she remembered
24.Many people enjoy playing different sports ___others just enjoy watching them.
A. while B. when C. as D. so
25. ---I followed your advice on how to learn English, but I am still poor in it. Why?
---Well, _____.
A. all is well that ends well B. one man’s meat is another man’s poison
C. no pains, no gains D. no sweet without sweat
26. You have the power to ensure that leaving your current employer strengthens your relationship and _______
