—Shall I help you carry your travel case to the train ,Granny? —Oh,no,my boy.It is heavy.Thank you anyway.
Last term our maths teacher set so difficult an examination problem _____ none of us worked out.
_____ all the inventions have in common is ______ they have succeeded.
-What shall we have for dinner tonight?-Oh,I don’t care. ____. It’s your job to come up with the menu,so get on with it.
Mr. Green left _________ suddenly _________ he came.
Why are you always making the same mistake? Think of _____ I told you.