Why ____ you keep troubling your mother with such question while he is busy .
| A．can | B．will | C．would | D．must |
of the money used up.
| A．Three-five, are | B．Three-fifths, have been | C．Three-fifths, has been | D．Third-fifths, is |
Seventy percent of the students in our school from the countryside.
| A．is | B．are | C．comes | D．are coming |
No one except Jack and Tom the answer.
| A．know | B．knows | C．is knowing | D．are known |
Nothing but cars in the shop.
| A．is sold | B．are sold | C．were sold | D．are going to sell |
Rather thantime watching TV at home, we to take part in sports and games on weekends.
| A．wasting, decide | B．wasted, prefer | C．to waste, decide | D．waste, prefer |