Deforestation __ an alarming decrease in the amount of farming land

A, have caused

B, is caused

C, cause

D, is causing

The author __ that it __ necessary for every adolescent to establish his own place in society.

A, believes – is

B, believed – is

C, believed – has been

D, has believed - was

Fiona usually __ clothes that __ to my taste.

A, wears – didn’t appeal

B, has worn – haven’t appealed

C, wore – don’t appeal

D, wears – don’t appeal

Since she is not a very ambitious person by nature, the competition at work __ her much.

A, interested

B, doesn’t interest

C, will interest

D, didn’t interest

Before I __ a training camp woth him I __ that he __ an excenllent leader, but now he is just an ordinary man in my eyes.

A, joined – thought – was

B, have joined – have thought – was

C, have joined – had thought – was

D, joined – thought – is

Before I __ a training camp woth him I __ that he __ an excenllent leader, but now he is just an ordinary man in my eyes.

A, joined – thought – was

B, have joined – have thought – was

C, have joined – had thought – was

D, joined – thought – is

Since 1950 the world __ nearly one-fifth of the top soil from its africultural land and sone-fifth of its tropical forests.

A, was losing

B, is losing

C, has lost

D, had been lost

When you look through the small window, you __ that the safe is inits usual place.

A, would discover

B, discovered

C, will be discovering

D, will discover

Martin __ to remain in his present position for now in spite of beings dissatisfied with the salary.

A, had decided

B, is deciding

C, has decided

D, decide