I can remember well some pictures and the persons            I saw in the room.

The familiar English song ______ me of the happy days I spent in the primary school.

Ted will never forget the days            he spent with his grandmother in the countryside.

— Hi, Jack. What’s that on the desk?
— Oh, it’s the new backpack         my mom gave me for my birthday.

Now China is fighting against illegal cooking oil（地沟油）, a kind of waste oil _____can cause a lot of illness.

The two high school students        fought bravely against bad persons on the bus in Jiangxi
were highly praised.
A. who                     B. whom                C. which

There are some words_______can cross countries and cultures，such as“OK”．“Huh’’and“mama”．
A．what              B．which             C．／

After Mandela was free (自由的) in 1990, he chose to shake hands with the people ________ wanted to kill him.

Lang Lang is a Chinese pianist ________ is famous all over the world.

— Which is your favorite museum?
— I think the best museum           I like best in Zhongshan is Sun Yet-shen museum.