The boys don’t know ___________.
| A．how do they swim | B．how swim |
| C．they how swim | D．how to swim |
—Do you know ______?—Yes. She is doing her homework.
| A．what is your sister doing | B．what your sister is doing |
| C．when your sister is doing homework | D．where is your sister doing homework |
—Could you tell me _________?
— You can take No. 16 bus.
| A．how can we get to the Olympic Park | B．how we can get to the Olympic Park |
| C．how did we get to the Olympic Park | D．how we got to the Olympic Park |
— Linda, could you tell me ______?
— He is an actor.
| A．what he does | B．what does he do | C．where he works | D．where does he work |
--- Do you know _____?
--- Next Sunday.
| A．what they will do | B．what will they do |
| C．when will they come | D．when they will come |
Please tell me________. I have some gifts for him.
| A．how has Robert come | B．where Robert is |
| C．when will Robert leave | D．what does Robert like |