When a pencil is partly in a glass of water, it looks as if it ________.

[　　]

I don't get used to ________ you live.

[　　]

I shall never forget those years ________ I lived in the country with the farmers, ________ has a great effect on my life.

[　　]

It will not be long ________ he comes back.

[　　]

She is my best teacher ________ help I have made great progress.

[　　]

My English－Chinese dictionary has disappeared. Who ________ have taken it?

[　　]

－Did you remember to give Mary the money you owed her?

－Yes. I gave it to her ________ I saw her.

[　　]

The ________ is just around and you won't miss it.

[　　]

We advertised for pupils last autumn, and got ________ 60.

[　　]

It is generally believed that teaching is ________ it is a science.

[　　]