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

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

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

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

【題目】Thanks for _________ the new chairperson.

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

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

【題目】We will go abroad to watch European soccer league(歐洲杯足球聯(lián)賽)if we can ______ it.

【題目】I wonder ________.

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