During the tourist season, there are many people wandering in this city to
see the old castles _____ in the sixteenth century.
| A．to be built | B．being built |
| C．having been built | D．built |
.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 |
.We should try our best to ______ those people after the disaster.
| A．break out | B．cheer on |
| C．break up | D．cheer up |