______ get a better score, she has been studying hard all day.

you watched Gravity, _______ the best film in2013—Yes It is asurvival story _________ in space

I think you should spend as much time as you can_____ Maths and English.

______ they obtain from the activities is very important to the training in their character

We should do ____ to stop sandstorms（沙尘暴）from happening again andagain.