从每小题A、B、C、D中选出一个划线部分与其它三个读音不同的选项，并将其代表字母填入题前括号内。
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--How long ________ you _________ this book?
--For about one week. I ________ it from the library last Tuesday.
| A．have, kept, borrowed | B．have, borrowed, borrowed |
| C．do, keep, have borrowed | D．will, keep, have borrowed |
---Has he returned from Canada_________?
--- Yes, he’s _________ come back.
| A．yet; already | B．ever; already |
| C．already; yet | D．yet; yet |
--Where is Mr. Smith? ---He ___ Guangzhou. He ____ there for a week.
| A．has gone to; has been to | B．has gone to; has been |
| C．has been to; has gone to | D．has been in; has gone to |
My grandpa _____ in the city , but now he______ the life in the country.
| A．used to work, used to | B．used to do, is used to |
| C．used to work, is used to | D．is used to do, is used to |
---What do you think of _____ show in Ocean Park?
---I should say it was _____ great success.
| A．the; / | B．the; a | C．an; a | D．an;/ |