He tried to make up ______the lost time ______staying up late.
| A．with...with | B．with...by | C．for...with | D．for...by |
We haven’t seen each other for many years since welast time.
| A．separate | B．separates | C．separated | D． separating |
Many years have been spent by him how to solve the question.
| A．to learning | B．with learning | C．learning | D．on learning |
It was some timewe realized the truth．
| A．when | B．until | C．since | D．before |
Tom was ______ that he couldn’t understand ______ difficult sentence.
| A．so a stupid boy; such | B．a so stupid boy; a such |
| C．so stupid a boy; a such | D．so stupid a boy; such a |
_______ done for us?
| A．What do you think he has | B．What do you think has he |
| C．Do you think what has he | D．Do you think what has he |