In order to find the missing child，villagers ________all they can over the past five hours.

Jason is upset because his mother always _______ him with other children.

Since we ____ for almost two weeks, I’ll need to buy a large backpack in advance to carry my supplies of food and water

What do you think of your parents —They always let me do ________ Ithink I should do.

Last month, three thousand students took part in the _______ sports meeting.