By the end of 2025, garbage-sorting systems （垃圾分类系统） will be ________ in Dongying.
A.set up B.given up C.shut off D.brought out
We should__________to buy products that come from wild animals. A large number of them are in danger.
A.stop B.decide C.refuse D.continue
We asked 200 students in our school about whether they wanted a younger brother or sister. Here are the results.
It shows that ________ percent of them don’t want to have one. This is a big problem.
A.10 B.40 C.50 D.80
Many students hated to have classes on DingTalk, ________ they gave it one-star reviews（评价）.
A.so B.or C.but D.while
5G, as a new global network （全球网络） after 3G and 4G, will certainly ________ our life in many ways.
A.copy B.break C.change D.control
—Many mothers smiled from ear to ear when they got the news that children could go back to school.
—That’s true. It is the ________ that they had been looking forward to.
A.day B.period C.vacation D.festival
