Tìm lỗi sai và sửa

Tìm lỗi sai và sửa 
1. Nowadays humans consume energy at a faster rate than it is producing
A.consume
B.at 
C.faster
D.is producing
2. Aniston is in a hurry because she will meet her grandpa at the bus station at seven
A.in a hurry 
B.will meet
C.at 
D.at
3.Saving energy reduce air and water pollution and conserves natural resources
A.Saving
B.reduce 
C.pollution
D.conserves
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