One kind of deposit named in the story is      
A.lava
B.gravel
C.silt
D.none of these

Deltas are built up by__________________________ .
A.the rivers themselves 
B.volcanoes
C.Both A and B 
D.Neither A nor

Islands at the mouths of rivers are called deltas because they
A.are formed by rivers
B.are built up by volcanoes
C.form a tr angular group
D.form a rectangular group

The sign for “delta" was_______________________ .
A.a circle
B.a triangle
C.a rectangle 
D.a square

In ancient Greece, delta was the name of_________________________ .
A.a group of islands
B.a kind of soil
C.the third letter of the alphabet
D.the fourth letter of the alphabet

His favorite drink is ............


A.coffee
B.tea      
C.wine
D.beer

My brother ___________ while he ____________ his bicycle and hurt himself.
A.fell / was riding
B.was falling / rode
C.had fallen / rode
D.had fallen / was riding

The oceans, which cover two-thirds of earth’s surface, are the object of study for oceanographers.
A.The oceans
B.of earth’s surface
C.object
D.for

He isn’t going to the conference in March and neither they are.
A.going
B. the
C.in March
D.neither they are

Choose the best option (A, B, C or D) to complete the sentences
Neil Armstrong, who first walked .....................the moon, lived in the USA
A.in
B.on
C.at
D.above