24．While reading, you can make a mark _____ you have a question．
| A．the place where | B．what | C．that | D．Where |
In their country August 31st is a national holiday,________ everybody dances in the streets.
| A．which | B．as | C．when | D．because |
He is so easy-going a man _________ everyone wants to work with.
| A．whom | B．that | C．as | D．/ |
He tried his best to solve the problem,________ difficult it was.
| A．however | B．no matter |
| C．whatever | D．although |
Only when medical expenses are reducedaccess to proper medical treatment.
| A．poor people do have | B．poor people can have |
| C．can poor people have | D．do have poor people |
Now the Chinese eatas they actually need every day.
| A．twice as much protein | B．twice protein as much |
| C．protein as twice much | D．protein twice as much |