He started school the same day as I did and ________ to it like a duck to water.
| A．appealed | B．took | C．catered | D．saw |
—You know，I’m poor in Chinese，you are not good at English，and...
—That’swe should help each other.
| A．what | B．when | C．where | D．how |
—I drove to Zhuhai for the air show last week.
—Is thatyou had a few days off?
| A．why | B．When | C．what | D．where |
Before a problem can be solved，it must be obvious____the problem itself is.
| A．what | B．that | C．which | D．why |
The policy of the mainland is very clear and straightforward，and the key problem is_____the leaders of Taiwan will accept it.
| A．that | B．how | C．why | D．whether |
The shocking news made me realizeterrible problems we would face.
| A．what | B．how | C．that | D．why |