－Jim, how about keeping a dog as a pet?
－Good idea! but I prefer to have a cat. The dog is _____ to look after.
| A．difficult | B．more difficult |
| C．most difficult | D．the most difficult |
My pen pal from America is coming to visit me. I’m thinking about ______.
| A．what present did I give |
| B．how I will give her a surprise |
| C．where will we have a big meal |
| D．whether I planned a trip for her |
I wonder ______ you would like to go hiking with us this weekend.
| A．that | B．what | C．if | D．When |
Could you tell me ?
| A．what time is it |
| B．that if the earth goes around the sun |
| C．where he lives in |
| D．whether it will rain tomorrow |
— Kitty, do you know ______?
— Sure, about forty minutes.
| A．when did their class meeting begin. |
| B．where their class meeting was held |
| C．how often their class meeting is held |
| D．how long their class meeting will last |
People in Yancheng are proud of ________ they have achieved in the past thirty years.
| A．how | B．which |
| C．what | D．when |