As is known to all language learners, newly learnt words will soon be forgotten unless ______ used in everyday communication.
| A．exactly | B．finally | C．gradually | D．frequently |
Tom kept quiet about the accident ___lose his job.
| A．so not as to | B．so as not to | C．so as to not | D．not so as to |
.-Shall we go skating or stay at home?
-Which _______do yourself?
| A．do you rather | B．would you rather | C．will you rather | D．should you rather |
It is foolish ______such a mistake.
| A．for me to make | B．for me making | C．of me to make | D．of me making |
I don’t think it advisable_______.
| A．your studying math | B．you to study math | C．for you to study math | D．of you to study math. |
He is said _____for five years.
| A．to have died | B．to die | C．to have been dead | D．dead |