— Hi, Johnson, any idea where Susan is ?
— It’s class time, so she________in the classroom now.
| A．can be | B．must have been | C．might have been | D．must be |
At last she made herself ______ by drawing a picture.
| A．understand | B．to understand | C．understood | D．understanding |
I was about to go shopping _______ the telephone rang.
| A．as | B．while | C．when | D．as soon as |
The apartment caught fire last night. Fortunately, most of the people there _______ escape.
| A．could | B．were able to | C．meant to | D．tried to |
This is _______ I have come to Yuanyang.
| A．for the first time | B．the first time | C．every time | D．the time |
They were ______ little children that they didn’t know what to do.
| A．so | B．such | C．as | D．too |