1. Volcanoes are not the same as earthquakes

2. Mary is an excellent student who you met at my house yesterday

3. Studying hard is important for student

4. Despite the terrible weather, they had a picnic

1. B

2. C

3. C

4. D

161. We are talking to Vietnam which has a population of million people. 
162. I should phone the man whose car I borrowed yesterday. 
163. She can’t speak English which is a disadvantage. 
164. I’m staying with Henry whose father works in a bank. 
165. Do you remember Mrs. Lan, who taught us history ?
166. The museum was built in which our class visited last weekend. 
167. The man whom I told you about works in the hospital.
168. Do you like the person who sits next to you. ?
169. The house which my father bought last year costs a lot of money.
170. We are visiting the children whose parents died in the storm. 
171. My sister, who was trained to be a sewer, is rather childish.

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