It’s true that whoever ____positive for H7N9 will receive free medical treatment from our government without delay.
21.—It is raining cats and dogs. 22. — .. 23.
19.—My home is in that tall building over there. — ?
20. _________raining hard for 3 hours without stopping. 21.
22. —Has the boy got his bicycle now? 23. —Yes, the police gave . 24.
22.—Boy, ____________ —It is, looks like spring is coming soon. —Yeh, It'll just be a few more weeks.