How about all of us _______ for a walk after supper?
In some cases, different approaches __________ the same scientific problem lead to the conflicting theory.
A notice was __________ in order to remind the students of the changed lecture time.
The physics teacher once said that as __________ well-known, thunders __________ make electricity.
I'm sorry to __________ you, but can you tell me how to get to the library?
—Beautiful day, isn't it? Let's go out for a picnic. — __________.