Prices of daily goods________through a computer can be lower than store prices.
— I’ve told Nancy many times about the meeting, but she still forgot it!— I understand. Actually, anyone ______ be very forgetful at times.
The small window in the wall could ______ some light into the room.
Some exercises appear to be ______ ones you have done, but on ______ second thoughts, you’ll find that they’re different.
—Thank you for having bought me a ticket for the World Expo in Shanghai!—________.
_______ what would happen, none of them could find a way out.