Tenses Worksheet For Class 10 CBSE Term 2 Exam

Fill in the blanks with an appropriate tense form.

The success of euro as the single currency unit in Europe ……………1……….. (is prompting / has prompted / prompted) Asian countries to explore the idea of …………2………… (introduce / introduced / introducing) a similar unit in the largest continent in the world. Finance ministers from China, Japan , South Korea and Southeast Asia …………3………….. (has endorsed / endorsed / have endorsed) the plan. A Japanese research institute …………4…………. (has entrusted / has been entrusted / has been entrusting) with the duty of exploring the steps needed to create a single currency.

Answers

1. has prompted; 2. introducing; 3. have endorsed; 4. has been entrusted

Fill in the blanks with an appropriate verb form.

The ozone layer …………1………. (shows / show / is showing) signs of recovering, thanks to a drop in ozone-depleting chemicals, researchers …………2………… (say / said / have said) on May 4. They, however, ………3………… (added / add / have added) that it is unlikely to stabilize at pre-1980 levels. Depletion of the earth’s protective ozone layer …………4………. (causes / is caused / has caused) by the chemical action of chlorine and bromine released by man-made chloroflurocarbons, which …………5…………. (use / are used / are using) in aerosol sprays and cooling equipment.

Answers

1. is recovering; 2. said; 3. added; 4. is caused; 5. are used

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