Choose the suitable words or word combinations to complete the sentences.

Choose the correct option.

I think Rick will [prepare|preparing] for the test with us.

It's quite cloudy. I guess it's [go|going] to rain soon.

This time next month, Dave will [be|been] travelling in Africa.

I will have [finish|finished] the task by the end of the day.

Next year, Samantha will have [be|been] [learning|learnt] French for ten years.