请问：It's time for us___(study) hard.

请问：It's time for us___(study) hard. It‘s necessary for us___(learn)English well说明原因 you it's time to study .you should study hard understand 英语翻译It's time for这个短语怎么翻译?比如It's time for study.It's time fo it is time to study hard! It's hard to study English. It’s time_____-(get) up.It's time for _____(study), us study necessary to hard it’s for 连词成句 It's n____ for you to study hard if you want to get good gra 初二英语填空一题it's [] to study hard for students to get good grade It's too hard for it's time for