----In recent years, _____problem of global warming has become very serious.
----That’s right. People are facing _____diversity of natural disasters now.
| A．/, a | B．a, the | C．the, a | D．a, a |
Who was that _____called him “comrade?”
| A．one | B．that | C．it | D．her |
---- Do you want tea or coffee?----____ . I really don’t mind.
| A．Both | B．None | C．Either | D．Neither |
I would appreciate____ very much if you could change the plan a bit to make it more
workable.
| A．it | B．that | C．this | D．you |
He is one of the students, who, I’m sure, always do _____best.
| A．his | B．my | C．one’s | D．their |
In face ___is a hard job for the police to keep order in an important football match.
| A．this | B．that | C．there | D．it |