Between the two periods of classes is a break,_____we can have a short rest.
| A．then | B．where | C．when | D．Which |
______ he did was quite right.
| A．What | B．Which | C． That | D．Who |
Nowadays, most young people enjoy ______ on the Internet.
| A．chat | B．to chat | C．chatting | D．chatted |
The girl often helps her best friend, ______ is not good at English.
| A．which | B．who | C．what | D．where |
–-Tom, ________we go home together this afternoon ?
–- Ok !
| A．shall | B．must | C．will | D．can |
_______ was at the end of the meeting that Mr. Smith made the decision .
| A．This | B．It | C．That | D．不填 |