Exercise 3 . Read the following passage and circle the letter A, B, C, or D that best fits each of the numbered blanks.
Landslides (1) ________ due to several reasons. One of the main causes is heavy rain. When it rains (2) _______, water enters the ground and makes it heavy. The ground can’t hold much weight and starts to move downwards. This is especially true in areas with steep slopes. Also, human activities, like (3)_________ trees or building roads, can cause landslides. When people cut down trees, there is less support for the roots. This can cause soil erosion (4)_________ increases the possibility of landslides during heavy rainfall. Lastly, in some places, frequent earthquakes can also lead to landslides (5)_______ they shake the ground and can make it move.
1. A. happen
B. cause
C. destroy
D. maintain
2.
A. lots of
B. little
C. a lot
D. many
3.
A. going out
B. cutting down
C. breaking up
D. taking off
4.A. who
B. which
C. when
D. why
5. A. because
B. although
C. however
D. beside