—I have got a headache.
—No wonder. You ________ in front of the computer too long.
A. workB. are working
C. workedD. have been working
When I arrived, Bryan took me to see the house ________ I would be staying.
A. whatB. whenC. whereD. which
—Which driver was to blame?
—Why, ________! It was the child’s fault. He suddenly came out between two parked cars.
A. neitherB. eachC. eitherD. both
If we ________ enough preparations, the conference wouldn’t have been so successful.
A. haven’t madeB. wouldn’t make
C. didn’t makeD. hadn’t made
Sichuan is home to giant pandas, ________ are China’s national treasure loved by people all over the world.
A. whoseB. thatC. whereD. which
It was along the Mississippi River ________ Mark Twain spent much of his childhood.
A. howB. whichC. thatD. where
