--- What shall we do this weekend?--- You can go swimming, hiking, or ______ else you enjoy doing.

I found ___________ hard to remember all the twelve star signs because they are difficult to pronounce(发音) and spell. 

I think         necessary to do some running in the morning.

 – ______ is your friend ?          – Maria.

–Is that colourful pencil-box Bob’s ? – No, it isn’t __________. It’s _________,