He didn’t work hard, ________, he failed his exam.

It’s necessary to be prepared for a job interview. ______ the answers ready will be of great help. [ ]

The sign x ____ an unknown number. [ ]

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

I admired my classmate Lisa very much_____ her prettiness, she was smart and helpful