be booked up to

be booked up to be booked up be booked be booked it can be booked up to 48 hours in advance.是指 在48小时内预定还是 至少48小时预定? hello,i'm johnson.i believe you have a room------- for me C to be booked D booked be up to speed be up to 94% Animals must be booked after well. This entry needs to be unique.A different Appointment with the same entry was already booked意思? to be grow up is to be 被动语态中的BE是助单词还是系动词?那就是说 All the rooms are booked up.是主谓结构而不是主系表结构， Do you have anything important to____today?Yes,I must go and have a flight ticket to Beijing____.A.deal with;booked B.be seen to;booked C.see;to be booked D.look after;booking 给出选择并说明我也选了A，可老师说答案是B，Why？ 用be up to造句 be up to one's be up to do something be up to sb’s be up to是什么意思啊?