--- Why do you look so upset?
--- There are so many troublesome problems _________.
| A．remaining to settle | B．remained settled |
| C．remaining to be settled | D．remained to be settled |
There was nobody in the room. Lying on the desk ____ a pair of glasses as well as a letter addressed to his wife.
| A．have | B．were | C．was | D．had |
Yahoo recently announced to ________ 2,000 employees, about 14% of the company’s workforce, aiming to save $375 million annually.
| A．take on | B．cut off | C．bring down | D．lay off |
The confrontation(对峙) off the coast of Huangyan Island can’t change the fact that it is an island ____to China.
| A．belongs | B．belonging | C．belonged | D．being belonged |
There being no witness on the spot, the police were delayed by the ________of information about the crime.
| A．analysis | B．disappearance | C．absence | D．consideration |
What British singer-songwriter Adele worried was ___________ the audience would accept her remained to be seen.
| A．how that | B．which if | C．that whether | D．what that |