The shirt looks very nice. I guess it is _______ 100 yuan.

E-mail, as well as telephones, _____ an important part in daily communication.[ ]

What I’m telling you is strictly _____. Do not let anyone know of it.

Tom usually _______ a bike to school. Look, he _______ to school now.

Some small chemical plants in Industrial Park will be closed down within half a year according to a decision _______ yesterday[ ]