Daming didn’t take a photo in the museum. I didn’t, .
________it rains heavily,they go on working outside.
What________is the most helpful invention?
The dinner didn’t start________all the friends arrived.
He is________to lift the bag full of rice onto the truck.
—AU the villagers________the fight against the big flood,________young and old,men and women. —It’s really very brave of them to do so.