---Did you stay up last night? ---Not very late. It was half past eleven__________I went to bed.
When a pencil is partly in a glass of water, it looks as if it ______.
Look at the trouble I am in! If only I _____your dvice.
It is generally believed that teaching is ___________it is a science.
It is always difficult being in a foreign country, __________if you don’t speak the language.
How are you getting on with your classates? ——______. I’ve got to know them all.