The big fire in Shanghai, believed to ________ due to the burning of construction materials, caused 58 deaths and destroyed all the belongings of the people there．

have occurred

occur

have been occurring

be occurring

A teacher's ________ to education is worth great respect of the whole society because it brings benefits to the development of society．

devotion

principle

identity

guidance

________ more and more people may refer to the Internet for the latest news, it is unlikely that the newspaper will disappear．

When

Because

Since

While

The train CRH380A, ________ trial operation on the Shanghai-Hangzhou high-speed railway, set a speed record of 416．6 kilometers per hour．

started

to start

starting

being started

We went to the Slender West Lake yesterday, ________, not surprisingly, was crowded with visitors from all over the world．

where

which

that

when

The dining room is clean and tidy, with a table already ________ for a big meal．

laid

laying

to lay

being laid

It is really ________ useful dictionary, ________ dictionary every one of us needs．

an, a

a, the

the, a

a, a

Many people agree that there has never been a more splendid opening ceremony than ________ of the Guangzhou Asian Games in history．

one

that

which

this

In Xinjiang those farmers who ________ move from place to place with their animals in the past have moved into new houses at last．

could

might

would

should

Isn’t it time you ________ his advice that you ________ your study plan?

follow, must change

should follow, will change

must follow; changed

followed; change