22.??I noticed several bare branches near the top, their black twig ___ the air like claws. A. is scratching B. scratching C. scratched D. was scratching ...

17.??The wife went on asking questions, ___ she suddenly noticed a big hole in her husband’s hat. A. while B. as C. when D. but ...

12.??My mother bought a ___ brown carpet. A. black B. heavy C. dark D. dull ...

7.??Those bikes which are approved will be marked with a 1971 ___ sticker. A. inspect B. check C. inspecting D. inspection ...

2.??If the constellations appeared only once in a thousand years, could you imagine what an ___ event it would be. A. exciting B. excited C. being excited D. excites ...

22.??The suggested programme would have five___. A. partions B. sections C. stages D. periods ...

17.??His kidney can't work properly, so the doctor suggests ___ a new one in substitution. A. transplanting B. transplant C. implanting D. implant ...

12.??The two colleges are ___ on the scientific research. A. operating B. cooperative C. co-operating D. operative ...

7.??These countries have ___ too many wars. A. gone through B. gone for C. gone to D. gone on ...

2.??You do try to fool yourself that you can ___ the decision easily. A. undertake B. do C. overtake D. take ...