---_____ times did you do sports last week?
--- Twice
| A． How often | B．How many | C．How long | D．How much |
—Can you tell me _____when the teacher came into the classroom?
—Sorry, I don’t know.
| A．what were the students doing |
| B．what are the students doing |
| C．what the students were doing |
| D．what the students are doing |
________ weather it is! We can’t go out to have a picnic.
| A．How good | B．What bad |
| C．How bad | D．What good |
— does it take you to watch TV?
—About forty minutes.
| A．How long | B．How much |
| C．How often | D．How many |
Our rooms __________ by my mother three times a week.
| A．cleans | B．are cleaning |
| C．is cleaned | D．are cleaned |
Julia ________drinking water over an open fire when I saw her.
| A．was boiling | B．boiled |
| C．is boiling | D．has boiled |