He went into his room and ______to work.
| A．begins | B．began | C．beginning | D．to begin |
Was he at work __________________?
| A．now | B．next week | C．yesterday | D．next Sunday |
—_____is the dance music ? — Go straight and turn right.
| A．Where | B．What | C．When | D．Who |
_____Mary have a party last night ?
| A．Is | B．Are | C．Did | D．Does |
—____do you do ? —I am a doctor .
| A．How | B．Why | C．Where | D．What |
Do you know why she __________ at home last night?
| A．isn’t | B．wasn’t | C．not | D．not in |