Mum, can I wear my jeans to school?–No, you ________ wear school uniforms. That’s theschool rule.A．can

Why didn’t you come to Simon’s party last night—I wanted to, but my mom simply _________ not let meout so late at night.

To be________ engineer is my dream. I’m going to study math really_________.

n the two periods of classes is a break, _______we can have a short rest.

________ the rapid growth of short messages sent by mobile phones, the increasing number of criminal cases appeared through short messages