-----Which color do you like , yellow, green or black? ------Green.A good B well C better D best
There were _________ doctors, so Dr Norman Bethune had to work on his own.
My little brother caught a cold, ________ he didn’t wear warm clothes yesterday.
I couldn’t work out this problem ________ my teacher helped me.
_________ my mother was washing clothes, my father was reading books.
When the first ______ came to the US, they were hungry as they have nothing to eat.