—How happy the grandparents are!
—Yes, they for fifty years.
| A．have been married | B． have married |
| C．How got married | D． married |
Animals are part of nature should be well protected.
A. and B. or C. but
It is not polite to enter others’ rooms knocking on the door.
A. by B. with C. without
In LA Lingling lived with Smiths and got on well with the host family.
A. a B. the C. /
—Do you know_______tomorrow?
—Sorry, I don't know. You may surf the internet.
A.whether will it rain B if it will rain C whether does it rain
The movie" Mr. Bean" made us_____a lot last night
A laugh B.laughed C.to laugh