25. These two countries are similar ______ they both have a high snowfall during winter.
| A．to which | B．in which | C．in that | D．except that |
The children all look forward to _______ the carnival next week.
| A．take part | B．take part in | C．taking part | D．taking part in |
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 |