－______ he______ at this school last term?
－Yes, I think so.
| A．Did, study | B．Has, studied |
| C．Was, study | D．Did, studied |
— does it take you to watch TV?
—About forty minutes.
| A．How long | B．How much |
| C．How often | D．How many |
Our rooms __________ by my mother three times a week.
| A．cleans | B．are cleaning |
| C．is cleaned | D．are cleaned |
Julia ________drinking water over an open fire when I saw her.
| A．was boiling | B．boiled |
| C．is boiling | D．has boiled |
I ________this book for about a month, so I have to return it as soon as possible.
| A．have borrowed | B．have kept |
| C．have bought | D．have posted |
____ of the students in our class _____ girls.
| A．Three fives, is | B．Three fifths, is |
| C．Three fifth, are | D．Three fifths, are |