.Thesituationdemandedthathepre-优题课

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The situation demanded that he ___________ present.
A was B is C be D were

科目英语题型单选题难度较易

Measures must be taken to prevent pollution ________ happily.

______ is surprising to us is that Tom, for ______ English was once boring, can speak English fluently as though he were a native speaker.

When the question _____ at the meeting, no one could answer it.

We can’t _____ other countries in trade if we don’t develop our national economy.

At first he refused to admit he had stolen but when he was shown the videotape, he _______ and admitted everything.