---Is the chemistry experiment easy?
---______. I’ll just do my best.
-----What are you afraid ______?
-----I’m afraid ______ dogs.
—Do you want a hand with those bags?
— ______.
—Do you think he can get the first prize for jumping?
—Impossible now. He to do so, but he has just hurt his leg.
-I have just had my bike repaired．
-How much did they ________ for it?
-You know our manager has been in hospital for days?
-Yes．I wonder if he is ________ better now．
-How about the two pairs of socks?
-Em, they are very good．I’ll take ________ so that I can change sometimes．
-When you leave the office, you must _________ you have closed all the windows．
-Sure, I will．
-What about attending the party to be held in Tom’s house next month?
-Oh, that sounds great．I ________．
—I knewshe was in because I heard her radio but she didn’t open the door.
— She________ the bell.