问题

no life has been found outside the earth, but while some scientists areactively searching for living things in outer space, others firmly believethere ____

A:youcould
B:go ahead
C:I do
D:mypleasure

正确答案是：

同类题型

irt is torn—______me a needle and thread, and I’ll fixit for you

The Yellow River is the second _____________river inour country.

Where did you pick up this wallet —It was in the supermarket_____ I did some shopping yesterday.

For many years, people________ electriccars. However, making them has been more difficult than predicted.

George is going to talk about the geography of his country,but I’d rather he_____ more on its culture．[ ]