I'm ___(busy)this year than last year.

we have ___(little)rainfall this year than last year I study ________hard this year than last year I'm_____(fat)this year than last year. There ------pollutions this year than last year. (用括号内里的词的适当形式填空）1.I'm fatter this year than last year. more patients ___ in the hospital this year than last year. 1.the weather this year is much wetter than ___ last year. There's_____（little)rain this year than last year. He _________ harder this year than last year. There will be___ pollution this year than last year 1.They produced ____electricity this year than last year. this year than last year一般用什么时态?