问题

Residents ________ not to go out alone or to take part in any groups during the period of recent terrorist activities

A:were always being warned
B:are always warning
C:always warned
D:had always been warned

正确答案是：

同类题型

Do you know _____ man in black-Which one _____ one outside the classroom He’s ____ new teacher.

You’d better _____ your homework after supper.

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They had a wonderful time _______________ .

You should ____ for a few nights.