hand in your homework right now?
| A．Oughtn't to you |
| B．Oughtn't you to |
| C．Ought you not to |
| D．Ought you to not |
They experimented _____the new medicine _____anima
ls．
A．on; to B by ; on C．with ; on D with; to
Children under six are not ______to school except those of extraordinary intelligence．
A．permitted B．admitted C accepted D．received
three times，but she still couldn’t follow what the old man said．
| A．Having told | B．Having been told |
| C．She had been told | D．Though he had been told |
一 Mom, guess what? I’ve won the 1st prize!
一 This a celebration! Let’s go to prepare a party．
| A．helps out | B．works out |
| C．calls for | D．pays for |
A reward of 1,000 dollars will be given _______can find the lost child．
| A．whomever | B．whoever that | C．to whomever | D．to whoever |