16. I have to go out ________ I meet my pen pal today.
A. but B. so C. because D. or
17. We decide to stay at home ________ it’s raining heavily.
A. though B. so C. because D. but
18. The _______tells people what is happening in Viet Nam and the rest of the world.
A. national B. cartoon C. game show D. 7 oclock news
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