__________,I have to put it away and focus my attention on study this week.
18. I can' t leave. She told me, that I_____stay here until, she comes back.
17. —Have you heard the latest news? —No, What______?A. is it B. is there C. am. they D. are those
16. My friend showed me round the, town,_____________was very kind of him.
15. It's already 10 o' clock. I wonder how it_________ that she was two hours late on such a short trip..
14. ________matters most in learning English is enough practice.