Not until I began to work______ how much time I had wasted.
Let’s go to cinema-that’ll take your mind off the problem for_____while。
We went right round to the west coast by sea instead of driving acrosscontinent。
This area experienced ________heaviest rainfall inmonth of May。
Students should be encouraged to use Internet as resource。
I don't understand what the engineer means , but I’ve got rough idea of project plan。