Students usually start learning English in primary school .这句话对吗?还是Students usually started learning English in primary school .这句话对?主要是start的时态问题搞不懂,

Are you sleepy in __?When does your school b__?Teenagers need nine h__ of sleep at n__ .But most Chinese students c__ be in bed that long .Their shools usually start b__ 8:00 in the morning .B__ from this school year ,some Canadian middle schools sta volvo sta come sta come sta students,come,school,bike,three,usually,to,by(.)造句 The students usually have b____ between lessons.怎么填? students usually get ()in the afternoon afer a tiring morning Students usually do morning e________in the morning.首字母填空 American students usually have a two-month holiday in summer. the students usually clean their bedroom every day.同义句 the students usually discuss science priblems的同义句 the students usually do something for their teachers on T_______Day The students usually don't have cl______ on weekends. Good students usually have good studying p___at the beginning. The students usually have volleyball for two hours.(对划线部分提问)( ) ( ) ( ) the students usually have volleyball? 请教STA是什么意思? STA工程师是什么意思 darw a sta r