She has been over his strange letter for several weeks, but she still figures out nothing about it.
| A．puzzling | B．worried |
| C．troubled | D．anxious |
—What have you been busy with these days?
—I ______ that the speech contest has been brought forward, so I ______ for it.
| A．was informed; have been preparing |
| B．have informed; am preparing |
| C．informed; have prepared |
| D．was informed; prepared |
David is so curious that no one can ________ from finding out what is going on.
| A．hold him back | B．hold him up |
| C．hold to him | D．hold him down |
What the salesman said was so persuasive that the old man was completely ______.
| A．taken in | B．given in | C．brought in | D．turned in |
There seemed to be no human beings in that village, and the only ______ of life was a boat tied to a tree.
| A．symbol | B．mark | C．signal | D．sign |
Don’t you think the flowers here are more fresh than ______ on the table?
| A．that | B．them | C．those | D．which |