---I hear the government is going to ___ the air quality with the new standard PM2.5，isn’t it？
---Yes, ___ the air pollution will get more serious.
| A．discover, therefore | B．revise, anyway |
| C．review, however | D．test, otherwise |
You speak English so well. Can you help ____ with ____ English?
| A．I; me | B．me; mine | C．I; my | D．me; my |
“____ does your pen friend say in his letter?” “He likes China a lot.”
| A．Who | B．Where | C．What | D．Which |
Who’s the young man ____ a gray jacket?
| A．on | B．in | C．at | D．of |
Is this a picture of ____ family, Jim?
| A．your | B．my | C．our | D．its |
Do you see Mr. Brown go ____?
| A．to upstairs | B．in upstairs | C．down /upstairs | D．upstairs |