He cleaned his room _____.
| A．herself | B．himself | C．myself | D．itself |
There ___ a car and lots of buses on the streets.
| A．is | B．are | C．will | D．were |
He _____ smoke and shouted for help.
| A．smelled | B．smell | C．smelling | D．smells |
These bags aren’t ______.
| A．their | B．her | C．ours | D．us |
You need to _____.
| A．be carefully | B．be careful | C．careful | D．carefully |