We can type words with a _________.
A. screen B. keyboard C. mouse D. printer
Is there _______African elephant in ______zoo?--Maybe there is.
A. a；the B. an；the C/; the D. an；a
There ______ great changes in our hometown in the past fifteen years.
A. has been B. have been C. was D. were
—I called you yesterday evening, but there was no answer.
—Oh, I’m sorry. I _________ dinner at a restaurant at that time.
A. have B. had C. was having D. have had
There a hospital in my hometown five years ago.
A. had B. was used to C. were D. used to be
--- have you lived here?--- Since 1995.
A. How far B. How long C. How often D. How soon
