.Three-fourths of the surface of the earth_________sea.

By the time my mother came back from work, my sister and I       supper and were waiting for her at the table.

Some equipment as well as a number of maps and books 　　　　 to Zhouqu since the mud-rock flow occurred.

Alice is now in the UK, but she _____ English for three months in Hong Kong.

–You speak very good Chinese.
--Thanks. I _______ it for 4 years before I came to China.

One third of the deer       by the wolves last night.

--- It was really very kind of you to give me a lift home.
--- Oh, don’t mention it. I      past your house anyway.

Though ______ to see us，the professor gave us a warm welcome。
A.      surprising  B was surprised  C.  surprised  D. being surprised

Barbara is easy to recognize as she’s the only of the women who ____ evening dress.

Little Bob is often educated by his parents to be good and friendly to anybody even if ________.