The band ________ in about 1970, but happily they reunited in the mid-1980s.

The possibility _________ we won’t produce enough goods troubles everyone here

Chinnewenergy in an efficient way.

The lazy boy _____there doing nothing all the afternoon, but he______ to his boss that he had finished what should be done

With cities expanding and industry developing,more and morearchitecture is being destroyed,which is a great loss to the future generations. [ ]