32. A severe drought over the past months has left 7.5 million people without ________ drinking water in two southwestern Chinese provinces.
With sufficient scientific information a manned trip to Mars should be _____.
_____ inviting guests and not treating them properly!
_____ it is a good thing I did not get the post I had applied for, though I must admit that I was disappointed at the time.
Maria _____ missed the first train so as to travel on the same one as John.
The two things are the same in outward form but different _____.