Because of his strange clothes, he immediately became the ___ of attention when he entered the hall.
A.concentration B.point C.focus D.aim
He gives his son some money for the _____of his books.
A.pressure B.purchase C.promote D.practice
She brought with her three friends，none of ________ I had ever met before.
A.them B.who C.whom D.these
— Why, Tom, you look so exhausted!
— Well, I______the house and I must finish the work tomorrow.
A.was painting B.will be painting
C.have been painting D.have painted
Tom got to the hospital in time that day, ________the first bus.
A.catching B.to have caught
C.to catch D.caught
When he was trying to break into the bank, the thief was caught ______.
A.in a spot B.on the spot C.from the spot D.in the spot
