【题目】--Is this ____ car?

【题目】----It’s dangerous to walk across the street carelessly.

【题目】It's very you to make the same mistake again.

【题目】--What’s that ____ English?

【题目】He found very interesting a horse.

【题目】字母“Ff”和字母_______含有相同元音音素。

【题目】列含有相同元音音素的一组字母是________。

【题目】-What color is it? --_________ is red.

【题目】It's necessary them to support and help each other.

【题目】The security guard(保安) kept the students ________ order while they were walking into the museum.