30．As he has been in a terrible state of mind these days, on no account ________ achieve success in the coming English speech competition.
| A．has he | B．he has | C．will he | D．he will |
You must take the medicine three times ___ day.
| A．the | B．one | C．every | D．a |
My uncle is still ___.
| A．on the holiday | B．on holiday | C．on a boliday | D．on holidays |
The teaher told his student ___ any noise in class.
| A．to not make | B．not to make | C．to make | D．not making |
___ us has a bike.
| A．No of | B．Not of | C．None of | D．Not |
When you are in the lab, you should ___ teacher’s instructions.
| A．follow | B．give | C．receive | D．listen |