I don’t ________ to be an expert on cars, but I do know that there is something wrong with your brakes.
Supposing someone__________ you had been lying, what would you do?
The reason __________he gave for not coming to your birthday party is _________his mother was ill.
Nowadays, many people________about eating habits _________what they believe.
——What a pity! The tickets for the football match have been sold out. ——Don’t worry. You can watch__________on TV.
In view of all sorts of rumors and guesses, experts carried out some careful and scientific research and___________the possibility of a second earthquake in this area.