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
Mary has got the first place in the 100-metre race. she looks so excited.
A.No doubt B.No wonder C.No way D.No problem
The famous director was involved _____ on a new film.
A.in working B.with work C.working D.to work
