Just my luck! The computer broke down again. —-There are so many _____.You can try another one.

What happened to Billy—He________ becauseof his drink-driving.

What are you busy doing these days—-I______ study for the coming exam.

The oceans and seas _________ the islandsare deep blue and many cities lie _________ a bay.

It was in the lab_____ was taken charge of by Mr.Harris_____ they did the experiment.[ ]