| A．are | B．have | C．has | D．is |
| A．cleans | B．clean | C．cleaned | D．are cleaning |
| A．look for, find | B．find, look for | C．finding, look for | D．looking for, find |
| A．Do, swim | B．Did, swim | C．Did, swam | D．Do, swam |
| A．a | B．an | C．/ | D．the |
| A．is | B．are | C．have | D．has |
| A．on | B．in | C．at | D．of |
| A．don’t | B．isn’t | C．wasn’t | D．doesn’t |
| A．pen | B．pencils | C．books | D．a ruler |
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