________a certain doubt among the people as to the practical value of the project.
| A．It has | B．They have |
| C．It remains | D．There remains |
21. —What did you think of _____ president?
—I didn’t care for him at first, but after ______ time I got to like him.
| A．the, a | B．/, the | C．the, the | D．/, a |
We believe _____ you have devoted yourself _____sure to come true.
| A．that; is; to | B．all that; to; be | C．that all; are | D．what; to; is |
The young man works very hard from a(n) _____to become rich.
| A．need | B．desire | C．feel | D．idea |
Putin hopes his daughters can do _____ job suits their interests and personalities.
| A．that | B．whatever | C．how | D．no matter what |
You can’t imagine what difficulty that deserted cats will have _____ through the frozen winter.
| A．lived | B．living | C．to live | D．been living |