anh 9 thì động từ.Choose one correct answer.

Front

Last year they __________ 22 million TV sets.

Back

sold

Front

Ted and Amy______ for 24 years.

Back

have been married

Front

Weather later______

Back

will be

Front

Mark listened to music while his sister_______ a book.

Back

was reading

Front

After he________ the house, he wrote a letter.

Back

had cleaned