【题目】It’s nice to see you again. We ________ each other since 2019.

【题目】The Smiths held a party for their son's __________ (twelve) birthday last weekend.

【题目】—Don't make any important decisions, ________ when you are in such a bad mood.

【题目】There was a road ________, and the traffic was very heavy.

【题目】By practicing a lot, the boy__________ (发音)the words correctly at last.

【题目】School students________ smoke because it is against the school rules.

【题目】My mother offered________ me to the zoo.

【题目】Be quick! You’ll be late for the meeting, it will begin________ .

【题目】It is very __________ (有意义的)for humans to protect wild animals.