1. Teacher: So what do you know ________ prepositions?

2. Teacher: Ah, you see in means you are there inside ________ into means you enter as: You go into the room.

3. Teacher: What ________ you say that?

4. and meet you face to face so that the matter could be settled once and for ________ .

5. Student: That's one I never understand ________ hard I try.

6. Student: If I had to choose one, I would ________ in.

7. Teacher: I understand what you ________ .

8. Student: That ________ very good to me. I'll see you next week.

9. Student: Yes, I see I think I understand but you have ________ many tenses in English!

10. Student: I think the past simple is for a ________ time in the past and the present perfect is when you don't know when it was.