According to the school rules, no student __________ go out of the school after eleven o’clock at night without the teacher’s permission.
| A．will | B．must | C．may | D．shall |
Someone is ringing the doorbell. Let’s see _______.
| A．who is he | B．who he is | C．who is it | D．who it is |
It is very common that former people have difficulty in _____ modern life.
| A．sticking to | B．relating to | C．adjusting to | D．connecting to |
I really don’t know ___ ___I kept the secret papers.
| A．where was it | B．it was where that | C．where it was that | D．where was it that |
---Why do you look so upset?
---There are so many troublesome problems ____.
| A．remaining to be settled | B．remained settled |
| C．remaining to settle | D．remained to be settled |
It didn’t _____ him that she would refuse his invitation
| A．happen to | B．adjust to | C．belong to | D．occur to |