I am sorry that I can not meet you at the railway station. I _______ Beijing by the time you come back from abroad.
| A．have left | B．will have left |
| C．will leave | D． am leaving |
The CDs are on sale！Buy one and you get ______ completely free.
| A．other | B．others | C．one | D．ones |
Mr. Baker thinks his own inconvenience and _________ of his fellow colleagues are the only thing that the government should deal with.
| A．whoever | B．someone | C．that | D．any |
My uncle’s house in the downtown area is much smaller than ours , but it is twice _______ expensive .
| A．as | B．so | C．too | D．very |
He didn’t make ________ clear when and where the meeting would be held.
| A．this | B．that | C．it | D．these |
Being a parent is not always easy, and being the parent of a child with special needs often carries with ___ extra stress.
| A．it | B．them | C．one | D．him |