I don’t like physics ______ it’s too difficult for me.
What ways can you think of _________ out the physics problem?
I don’t know ______to do with the maths problem. It’s too hard.
—Thank you, Mille and Kitty. It was kind of you to help me with my lessons. —_______.
— ________ useful tool the computer is! — I agree. It’s ______ interesting as well.
On Sundays, she prefers ________ at home alone ________ with her friends outside.