TENSES 15

1. Pakistan successfully ……………….. its nuclear capable radar dodging cruise missile on July 26.

test fired

has test fired

had test fired

2. Australia …………….. 40% of the world’s known uranium reserves.

hold

holds

has held

is holding

3. Union cabinet ………….. the landmark civilian nuclear co-operation agreement with the USA in March.

has approved

is approving

approved

4. A group of students ................. an environmentally friendly Eco One race car.

built

have built

had built

build

5. A powerful earthquake ........................... Japan on July 16 killing and injuring several people.

hits

hit

has hit

had hit

6. After analyzing thousands of skulls British scientists .......................... at the conclusion that modern humans ...................... from a single point in Africa.

have arrived, originated

have arrived, have originated

are arriving, have originated

7. Scientists think they .............................. the energy source of the spectacular colour displays seen in the Northern Lights.

discovered

have discovered

had discovered

8. The world’s oceans which ...................... about a third of the carbon dioxide emitted from burning fossil fuels ...................... more acidic.

are absorbing, are becoming

absorb, are becoming

absorb, had become

9. Babylonians were the first to make New Year resolutions and people all over the world ......................... them ever since.

are breaking

broke

have been breaking

10. During his childhood days, he .................... barefoot deep into the forest to collect firewood.

have trudged

will trudge

would trudge