-- Can you lend me the book Twilight by Stephenie Meyer?

-- Sorry. I returned it to the library just now. Maybe it is still _____.

A．available          B．affordable         C．acceptable        D．valuable

According to the engineer, there remain some tests _____ before the machine is put into operation.

A．carrying out       B．carried out        C．being carried out    D．to be carried out

Some people hold the view that the new machine is advanced, while others are still skeptical _____ whether it is of practical use.

A．with             B．about             C．for               D．on

 As the family did not make a(n) _____ ahead of time, they had to wait at the restaurant in order to get a table.

A．approval          B．reservation        C．arrangement       D．enquiry

The singer’s flight was _____ due to bad weather, resulting in the show _____.

A．put out; to be canceled                   B．put off; to be canceled

C．put out; being canceled                  D．put off; being canceled

Evidence has been found through years of study _____ children’s early sleeping problems are likely to continue when they grow up.

A．why              B．how              C．that              D．whether

It is not how much we do but how much love we put into what we do _____ benefits our work most.

A．when            B．that              C．what             D．how

-- Why didn’t you go to Mike’s birthday party yesterday?

-- Well, I _____, but I forgot it.

A．should            B．would            C．should have        D．must have

After the flooding, people were suffering in that area, _____ urgently needed clean water, medicine and shelter to survive.

A．who             B．where            C．which            D．that

_____ the government recovers the vehicle purchase tax and the oil prices go up continuously, the sales of the vehicle in China are still increasing every year.

A．When            B．Once             C．Since             D．While