Read the following passage and mark the letter A, B, C or D on you answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 33 to 37. Fill in the appropriate word in question 33

The wind controls our planet's weather and climate. But how much do we understand about this complex force (33)______ can kill and spread fear? On the night of October 15, 1987, the south of England was struck by strong winds. Gusts of over 130 km/h (34)______ through the region. Nineteen people were killed, £1.5-billion worth of damage was (35) ______ and 19 million trees were blown down in just a few hours. Although people thought of this as a hurricane, the winds of 1987 were only a (36)______ 7 storm. They remain far better known than the much more serious storms of January 25, 1990, when most of Britain was hit by daytime winds of up to 173 km/h. On this occasion, 47 people were killed, even though, (37)______ in 1987, the weather forecasters issued accurate warnings.

A. what

B. which

C. when

D. where

hổ -cạn-có ích làm thịt-hại cắn người

voi-cạn -có ích kéo gỗ -hại phá hoại

ngựa -cạn-có ích kéo xe -ko có hại

cá thu -nước -có ích làm thức ăn-ko có hại

chim bồ câu -cạn-có ích làm thịt -hại có thể gây ô nhiễm và là vật chủ trung gian truyền bệnh

cá chép-nước -có ích làm thịt