问题

The government must be very ______ about setting apolicy, making no decision until they are quite sure it is the right one.

A:particular
B:concerned
C:cautious
D:certain

正确答案是：

同类题型

In ten years, John _______an astronaut.

He _______to us that the outside of the earth is made of a number of different plates(板块).

I have to draw some money from the bank before our money ______

Generally speaking, if ______ strictly following the instructions, the electric bike is not as dangerous as reported.

Tom and Paul usually watch TV ______weekends.