There are lots of problems in your hometown, but we're happy to see many of them________.
| A．are solving | B．are solved | C．have solved | D．are being solved |
. The Parkers bought a new house but ______ will need a lot of work before they can move in.
| A．they | B．it | C．one | D．which |
.---You could have asked Mr. Richards for help. He is kind-hearted.
----Yes. But that ____him a whole day.
A would have taken B. had taken C. would take D. would be taken
.----Were all the toys for the children carried to their kindergarten?
----No,____ only some of them.
| A．It was | B．they ere | C．there were | D．there was |
.He arrived in Hollywood in ,____some time later,he became a foamous actor.
| A．when | B．where | C．that | D．which |
.We cannot figure out ____quite a number of insects, birds, and animals are dying out.
| A．that | B．as | C．why | D．when |