—Jenny,they say you have asked for a leave because of a sudden headache.I’m worried about you,and are you ________better now?—I’m all right now,thanks for your care.

 Jim went to answer the phone.         , Harry started to prepare lunch.

The incomes of skilled workers went up. ____, unskilled workers saw their earnings fall.

In recent years, the ______ dry heat had led to a series of natural disasters.

Joe worked so hard that ________ he made himself ill.