The president was so absorbed in his work that not a sound ______.
| A．did she dare to make | B．dared she to make |
| C．she dared make | D．she did dare to make |
—How do you find your new pen?
—Wow, ______, so it’s really worth the money I paid.
| A．quite by chance | B．it lies in my drawer |
| C．it’s well written | D．it writes very well |
How terrible! The eggs have gone bad and ______ such a bad smell.
| A．give back | B．give off |
| C．give away | D．give up |
You should take the medicine, following the ______ on the bottle and it will work.
| A．tendencies | B．Symptoms |
| C．instructions | D．consciences |
I wish to thank your student Tom, without ______ rescue couldn’t have been offered to my drowning son so soon.
| A．whom | B．whose | C．which | D．who |
______ others in the reading room, Jack walked in on tiptoes.
| A．Not disturbing | B．To not disturb |
| C．Not to disturb | D．Not having disturbed |