16．The tall building has floors．And Tony lives on the floor．( )A．twelve, twelveB．twelf——青夏教育精英家教网——

16．The tall building has ______ floors．And Tony lives on the ______ floor．（　　）

	A．	twelve； twelve		B．	twelfth； twelfth
	C．	twelfth； twelve		D．	twelve； twelfth

15．---Now many people smoke and get ill．
---So we should do something ______ can help stop smoking．（　　）

14．It's reported that the sand storm's moving __ the southern part of China．（　　）

13．My father has a habit of jogging ________ the jinchuan River for an hour in the morning．（　　）

12．Lucy and I are twins，but we're different ______ each other in many ways．（　　）

11．-____ you _______your book to the library？
-Yes．I returned it yesterday．（　　）

Have，returned

10．_________ the taxi driver，the little kid was sent to the hospital in time．（　　）

9．If you don't want to be too heavy，you must eat ________ meat．（　　）

8．You _______ smoke．You are only 14 and it isn't allowed．（　　）

7．-What is your brother doing in the study？-He ________ his homework．（　　）

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