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I still remember the college and the teachers ________ I visited in London years ago.

_________ it is snowing, it isn’t very cold.

They will try their best in the Dragon Boat Racing _______ they may fail.

“ Can you speak English ?”“ Of course ,  I have studied it ___  I was six years old.”
A. though        B. since            C. before.

—Are you free this Sunday?
— Yes. If it_____ , I will go shopping with mum.

A graduation ceremony is a custom           takes place           students graduate from a school.

— Let’s go to the community if it           tomorrow.
— But nobody knows if it           tomorrow.

Although she felt tired, she didn’t stop working.

______ he was ill yesterday, _______ he went to school.

Some children ______ pictures when the teacher came into the classroom.