—What did the doctor say? —He asked how long _________.
| A．has my daughter caught a cold | B．had my daughter caught a cold |
| C．my daughter had caught a cold | D．my daughter had had a cold |
The boy asked his father ______________________ .
| A．where it happens | B．when did it happen |
| C．what did it happen | D．how it happened |
,Can you tell me over there ?
| A． what are you doing ? | B． what to do it |
| C． what they are doing | D． what they doing |
--- Do you know _____________?
--- Sorry, I have no idea. I’ll search the Internet to find it out.
| A．where will the next Expo be held |
| B．when will the next Expo start |
| C．what will the next Expo be held for |
| D．how many countries will take part in the next Expo |
－Hi, Bruce. Here’s a letter for you.
－Thanks. I wonder_________.
| A．who that letter was from | B．who was from that letter |
| C．who was that letter from | D．who from that letter was |
—What did our geography teacher say?
—She told us that the earth _____ around the sun.
| A．moves | B．moved | C．has moved | D．was moving |
I don’t know _____ tomorrow. Can you tell me?
| A．when we started | B．when did we start |
| C．when we will start | D．when will we start |
You should tell your mother _____________now.
| A．what you are doing | B．what are you doing |
| C．what you were doing | D．what were you doing |