根据句意,用括号内所给单词的适当形式填空
I think________(speak)English is more difficult than written English.
She is a quick________(learn),and her English has got better day by day.
Be more careful!Don’t make any________(mistake)in your writing.
I can’t follow what you are saying.Could you please speak more________(slow)?
If you don’t spend money________(wise),you may go broke.