Billy is a nice boy . he knows a lot , but he never ________.
| A． shows off | B． picks up | C．falls off | D． looks up |
-Is Dr. Wang ______ today?
-No, He is busy prearing for an operation.
| A．ill | B．available | C．convenient | D．careful |
—do you improve your English?
—By listening to tapes and reading aloud.
| A．How | B．Why | C．Whose | D．When |
I got A in English this week.
| A．a | B．the | C．an | D．× |
There are floors in the building and my home is on the floor.
| A．twenty; fifteenth | B．twenty; fifteen |
| C．twentieth; fifteen | D．twentieth; fifteenth |
Do you know where now？
| A．he lives | B．does he live |
| C．he lived | D．did he live |