【题目】 —What else should we pay attention to ________ building the bridge?

【题目】--- Cross the road carefully, __________ you’ll keep yourself safe.

【题目】Good news! We'll have one-day holiday. Let's go on a spring outing.

【题目】The boy looks nice ________ white and the red sweater looks good ________ the girl.

【题目】Thanks for _________ the new chairperson.

【题目】If we don't pay much attention to the , the pollution will get worse and worse.

【题目】As a student, I can’t afford __________ a new mobile phone.

【题目】We will go abroad to watch European soccer league(欧洲杯足球联赛)if we can ______ it.

【题目】I wonder ________.

【题目】The boy ___________ and then he __________ after he took the medicine.