My father _________ Beijing on business forthree days. He will be back in two days.

Today one-third of the people on Greenland________ their living in the fishing industry.

mpany invested 80 percent of the money in training the staff, the rest of which ____saved for other purposes.

Let’s go for a picnic when it ______ this weekend.— But nobody knows when it _____ . I hate the rainy days.

We are at a stage ________ it’s still too early to say whether the newly-elected president will bring hope to the US.