If you make_ _ most of forty-five minutes classes day after day, there will be ______switch in grades.
| A．/; / | B．the; / | C．/; a | D．the ; a |
25. The sooner one _____ to the new working conditions, the better it will be _______ his working efficiency.
| A．adapts, for | B．adopts, to | C．adjusts, to | D．admits, for |
26. After having finished mopping the floor, he puts the mop back ______ it belonged.
| A．where | B．to where | C．to which | D．to the place |
27. I was so busy last year that I was almost mad. So I spent _______ I had with my family last month after I finished the project.
| A．what little time | B．little what time |
| C．that little time | D．little that time |
28. ______ man is known by _______ company he keeps.
| A．the; a | B．A; the | C．A; a | D．The; the |
29. ______ running, learning English needs wills.
| A．As for | B．As to | C．As with | D．As if |