When Tim ___ why he was late for school, he just kept silent.

—Are you going anywhere?
—I ______about visiting my sister, but I have changed my mind.

My husband always ______ me flowers every week before we got married, but now he never ________.

Three bridges ________ over the river five years ago.

By the end of last week, she______in the west of China for two months helping the homeless children.

Susan and Lily______tomatoes a nd other vegetables on the farm this time yesterday.

We are glad to hear that the terrorists ________ by the brave policemen several days ago.

—The book store ________ a big sale. The books there must be very cheap now.
—Sounds great. Let’s go into it and have a look.

Look, so many people are running out of the station. I wonder what ________.

Hurry up! Once the concert starts, nobody _______ to enter the concert hall.