— Did you tidy your room?
— No, I was going to tidy my room but I visitors.
A. had B. have C. have had D. will have
With the help of high technology, more and more new substances in the past years.
A. discovered B. have discovered C. had been discovered D. have been discovered
They became friends again that day. Until then, they _______ to each other for nearly two years.
A. didn't speak B. hadn't spoken C. haven' t spoken D. haven' t been speaking
As the years passed, many occasions—birthdays, awards, graduations—________ with Dad’s flowers.
A. are marked B. were marked C. have marked D. had marked
. Cathy is taking notes of the grammatical rules in class at Sunshine School, where she ________ English for a year.
A. studies B. studied C. is studying D. has been studying
They two free tickets to Canada, otherwise they’d never have been able to afford to go.
A. had got B. got C. have got D. get
