. — I’d like a table for six. — Sorry, sir, but we don’t have any tables ______ right now.

The students are ___ young people between the ages at between the age of sixteen and twenty

I can’t learn English well. What can I do, Mr. Smith— Tom, ________ is difficult if you work hard.

The girl who _______ by car has been taken to the hospital.

Wu Dong was ____ tired that he couldn’tkeep his eyes____.