The plane is due to take off at 7∶50 from the airport–________ we fail to arrive there in time?

Jim’s _____ is red.

It’s the fourth time that heavy smog(雾霾) has hit the city this month— It’s high time we _______ measures to fight air pollution

Frito-Lay is the biggest snack maker in America owned by Pesi Co and ________ over half of the parent company’s yearly profits.

What do you think of our next game—A bit worried．We ______ it with our two major playersinjured．