Sixteen-year-olds should _________their ears pierced.
| A．be allowed to get | B．be allow to get |
| C．allow to get | D．be allowed getting |
Every year, _______ people come to visit our school.
A. hundreds
B. hundreds of
C. hundred
They plan to have a party _______ Saturday afternoon.
A. on B. in C. at
Peel three bananas then __________.
A. cut them off
B. cut them down
C. cut them up
Tony is really funny, he often makes me _______.
A. laugh B. laughs C. laughed
There will be less_______ and the environment will be better.
A. trees B. pollution C. factories