33.[2000全国] The reporter said that the UFO ________ east to west when he saw it.

31.[2000全国] —You've left the light on.

—Oh, so I have. ________ and urea it off.

25.[1998全国] —Nancy is not coming tonight.

—But she ________ !

18.[1996全国] — ________ my glasses?

—Yes, I saw them on your bed a minute ago.

1.—When ________ and visit our factory next month?

—When ________, I'll let you know.

Shirley ________ a book about China last year but I don't know whether she has finished it.

I first met Lisa two years ago. She ________ at a shoe shop at that time.

The traditional pattern of classroom teaching at the colleges and universities ________ the professor and a group of 20 to 30 students together for a 50-minute class two or three times a week.

We're going to the bookstore in John's car. You can come with us ________ you can meet us there later.

Don't be afraid of asking for help ________ it is needed.