(1) ___ sun has provided US with many uses. Thousands of years(2) ____ people began to dry clothes and food (3) ____ the sunlight. But it's not until recently that we (4) ___ been able to generate power from it. There are three main (5) ___ of using the Sun's energy : solar cells, solar (6) ____ heating and solar furnaces. One of the good points of solar energy is that an (7) ____ source. Moreover, it produces no waste or (8) ____ . Therefore, in countries with sunny climate, solar energy há great (9) ____ . However, it há some disadvantages as well, such as it doesnt work at (10) ___ and cost it very high 

1 A the B a C an D x 

2A before B lately C ago D recently 

3A on B for C in D up

4Ahave B has  C had d to have 

5A methods B means  C styles D ways 

6Aair Bwater C SOIL D wind 

7Aexpensive Bnon- renewable C limited D unlimited 

8Apollution Bpollute C polluted D polluting 

9A potent B potential C popentate Dpotentially 

10A noon B day C night D morning 

1 Business class ___ are more expensive, with good seats and good service 

A letters B pictures C tickets D emails 

2 you can read a book while you are in ____ a because of the automation 

A bullet train B flying car C driverless car D underwater train

3 in the future, ___ replace our pavements, they will help us move faster 

A motorbikes B intellingent bikes C skycycling tubes D slidewalks 

4 what happened ___ him ? 

A at B to C in D by 

MÌNH ĐANG CẦN GẮP Ạ !