hkcee英文科

you know , those paper 1a ,1b , 2 , 4 ,all those papers requies students to fullt show their talents in English ,because if your english is proficient ,but you never try to use difficult expression in Writing . meaning the examiner doesn't knoe that you are of good English , and you did not show her , Your level will be degraded ,can u get what I mean ? The Certificate can direct;y affect the impresiion of your boss in teh futyre !!
Therefore , you need to recite difficult sentece structure !!
u can use them in writing and listeninf !!

Grammar is very very important.
Go through the grammar rules again.