We had sat down at the table, when the phone rang.
Had I known about this computer program, a huge amount of time and energy________.
—My uncle suggests I ________ abroad.—I would rather you ________ at home.
I want to sell the house,but ________ I can’t bear the thought of moving.
Strict measures have to be ______ to protect______ children from family abuses.
Now a lot of new technologies can ________ problems in industry.