The teacher _____ the students how to improvetheir writing skill since last term.

It ____ me two hours to finish the work lastnight.

151. The passenger _____ at his watch and found that it was too late when he arrived the railway station.

Tom’s sister didn’t do the dishes, she thought she should take ______/ke(r)/ of her hands.

The teacher as well as her students _____ to visit the Moter Company tomorrow.