He is always the last one to go to school.这句话中的to是介词还是.为什么后面要跟原型?

he is always friendly () the old The headmaster thought he----- correct.A.always was B.was always C.is always D.always is The headmaster thought he--correct A.always was B.was always C.is always C.always is The headmaster thought he--correct A.always was B.was always C.is always C.always is He is always the first_____(come)and the last______leave. he is always the first ________(wait) for the bus he always还是he is always? He is always ready to help others____ the problems. He is always happy after _________(赢)the match. He is always ___(help) the little boy 要原因 改错:the reason why he is always late for class he is always encouraging me to face the difficulties he is always asking the same question 为什么用asking 改错He always is the first in his class The boy is naughty.He always makes t_____. He likes the place ____the weather is always warm he is always complaining about the weather有always“总是” 为什么还用进行时? He is poor,but he is always __(mean) to donate money to the poorer people