—Do you like your maths teacher?
—Sure, because he is the teacher ___ helps me a lot.
| A．whose | B．whom | C．which | D．who |
Only when he was refused by the interviewer ____ the importance of knowing English.
| A．was he fully aware of | B．he was fully aware of |
| C．was fully he aware of | D．he fully was aware of |
— What should I do with this passage?
—________ the main idea of each paragraph.
| A．Finding out | B．Found out | C．Find out | D．To find out |
He tried to get someone to _______ the old worker but could find none.
A in place ofB instead ofC take the place ofD take place
It was ______ back home after the experiment.
| A． not until midnight did he go | B． until midnight that he didn’t go |
| C． not until midnight that he went | D． until midnight when he didn’t go |
Several weeks had gone by____I realized the painting was missing.
| A．as | B．before | C．since | D．when |