Have you ever been here before? —Well, I once _________ here for four yearsThose days are really unforgettable

Do you think we can get to the village before dark，Daddy? -Yes，honey，the car doesn’t break down

We expected you yesterday.— I’m sorry, I you to say that I couldn’t be here until today.

Had he not been so busy taking the diamonds, he _________ the blow.[ ]

The number of people who have had flu (流感) in America this month is________as last month[ ]