I have lived in this house____

I have lived in this house ……………….. *
4 điểm
A. 6 years ago
B. in 6 years
C. for 6 years
D. since 6 years
The Great wall in China is …………………. in the world. *
4 điểm
A. higher
B. the highest
C. highest
D. the most highest
If I were a flower, I ……………… a sun flower. *
4 điểm
A. was
B. were
C. will be
D. would be
if I press that button , what ………………………… ? *
4 điểm
A. will happen
B. happens
C. would happened
D. does happen
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