1. Air pollution has many effects_________ the environment and living organisms.
A. in B. of C. for D. on
2. The volcano has erupted approximately once every ten years_________ 1970.
A. since B. in C. from D. for
3. After a severe storm, there is often_________ along the shore that will need to be removed.
A. waste B. debris C. lava D. junk
4. In the 1980s, acid rain_________ widespread damage to forests in the areas.
A. made of B. resulted in C. led for D. caused by
5. _________ plastic takes so long to break down, it pollutes the land and water.
A. Even though B. While C. Since D. Because of
6. If I had the chance to take part in an International summer camp, I_________ very excited.
A. am B. was C. will be D. would be
7. _________ do earthquakes usually last? – Less than one minute.
A. How strong B. How longC. How often D. How far
8. Niagara Falls is a great natural_________ on the border of the USA and Canada.
A. castle B. loch C. spectacle D. Symbol
9. The 2010 Haiti earthquake was the most_________ natural disaster in the history of this country.
A. destructive B. permanent C. unique D. awesome
10. “A hurricane is heading toward our home town.” – “_________”
A. That’s a relied. B. How interesting! C. Glad to hear. D. Oh my God!
+vì How long là câu hỏi về bao lâu