Choose the correct sentence from each pair:
a) Megan goes to Hong Kong every January.
b) Megan's going to Hong Kong every January.

a) I don't have enough money for a long holiday this year.
b) I'm not having enough money for a long holiday this year.

a) Everyone needs a break from work sometimes.
b) Everyone is needing a break from work sometimes.

a) What period of history do you study this term?
b) What period of history are you studying this term?