---Would you like to go bike riding with us tomorrow? ---Sure, ____ I am busy.
| A．since | B．unless | C．when | D．until |
Theboyisfourteen________.
| A．year | B．yearsold | C．yearold | D．Old |
Iamastudent________IamChinese.
| A．but | B．or | C．and | D．so |
_______isTom'sfriendfrom? HeisfromShanghai.
| A．What | B．Which | C．Howold | D．Where |
________areBob'sgrandparentsandtheyareverynice.
| A．These | B．This | C．That | D．It |
“What'syourfather's________?”“Heisahotelmanager.”
| A．name | B．job | C．school | D．favourite |