2nd sem final exam coming soon~~~

So fast 2nd sem wan finish adi,but de final exam coming soon...but some subject i still can understand...how 2 exam...tis time i can't fail adi...i always tell myself wan 2 study hard,but when i open the book i will feel sleepy...jz hv 2 subject me most confidence can pass,another 2 subject...haiz... no need 2 say adi i also noe very hard 2 pass ...my friend always call me 2 teach them me also a prophet without knowledge....help....who can help me....