The tanker，which was full of petrol，________and gave off heavy and dark flames the moment a truck knocked into it

–The difficult maths problem has been solved by Tom at last.Indeed; and the ___ way Tom worked out the problem impressed the teacher deeply.

Lin Yi isn’t what it used to be. The last decade ______ great changes in the city images.[ ]

The old lady insisted that her daughter ____ still alive and that she ____ at once.

Susan’S husband encouraged her to attend the concert，_________ he would take care of the kids