Can you make sure ______?
| A．that he will come here today |
| B．when he will come here today |
| C．if will he come here today |
| D．whether will he come here today |
It’s not right to ______ the poorer people of the world.
| A．look up | B．look down |
| C．look down on | D．look up to |
.Three-fourths of the buildings ______.
| A．was destroyed | B．is destroyed |
| C．were destroyed | D．has been destroyed |
Mary is one of the girls who ______ always on time.
| A．is | B．am | C．are | D．was |
It was so cold that they kept the fire ______ all night.
| A．burn | B．burning | C．burned | D．burns |
. Some of the doctors are paid almost ______ as the nurses.
| A．twice as much | B．much as twice |
| C．as much twice | D．as twice much |