---Why, Emily, you look so energetic!
---Well, I ______ in the gym for a slim figure so far.
| A．am working out | B．had been working out |
| C．worked out | D．have been working out |
You can trust him because he always ________.
| A．keeps his words | B．stick to his promise |
| C．keeps his word | D．keep his promise |
She speaks English fluently _____ she were a native American.
| A．as though | B．even if | C．as long as | D．ever since |
The reason _______ he felt frustrated was ______ he lost his MP4.
| A．why/that | B．that/why | C．why/because | D．that / because |
Now that the sign reads, “No person ______ smoke here”, please choose a seat in the smoking area over there if you _______ smoke.
| A．must; shall | B．will; must | C．shall; must | D．can; should |
The hunter _____ his gun against the tree and ____ down for a rest.
| A．lay /laid | B．laid / lay | C．lied / lay | D．laid / lied |