--Has Tommy finished his project yet?--Maybe not. He ___on it at lunch time. Let's go to have a look now.
The bag was very good,and she________30 percent down for it.
—Excuse me,can I________your pen?—Sorry,I have________it to Bob.
(重庆)—Would you like some coffee or tea?—________.Some water,please.
—Could I use your dictionary to look up some new words?—OK,________.A.it’s a pleasureB.that’s rightC.no problem
—Could you please have a walk with me?—Sorry,I________.I have something important to do now.