--- Excuse me, is this the right way to the Summer Palace?
--- Sorry, I am not sure. But it ______ be.
| A．might | B．will | C．must | D．can |
She _____ as the first lady of Republic of Korea instead of her mother for five years when her father ruled the country.
| A．serves | B．has served | C．had served | D．served |
Generally speaking, green products refer to all goods that are environmentally______.
| A．suitable | B．relevant | C．friendly | D．available |
After his wife was killed in the earthquake, it was his daughter _____ managed the house and accompanied him
| A．whom | B．that | C．which | D．what |
Make sure to turn off the gas after you take a bath, which would ___ cause danger.
| A．therefore | B．somehow | C．otherwise | D．meanwhile |
Mo Yan, _______penname means “Don’t speak”, won the 2012 Nobel Prize in literature.
| A．whose | B．which | C．who | D．what |