26．The whole class_____searching for the missing boy when the heavy rain poured down

Can you tell me ________ the robot that has caught a virus

Whydoyou hang that photograph above thefireplace— ______ visitors of the memorial days of Long March，Sir.

Viewers continue to watch TV ______ they complain about the quality of the programming

You have _____ me. I didn’t refer to anyone here when I mentioned that at the meeting. What I wanted to say was that such a mistake could have been avoided.