A: Hi, Jane. You made great progress in English during the long winter vacation.(1) ?
B: Just by taking online courses and finishing my homework in time. Sometimes I watched the online classes again when necessary.
A: But I didn't make full use of the time. So I can't catch up with my classmates now. I feel worried and hopeless.
B:(2) ! Read a lot and do exercises, and you'll get improved.
A: Good idea. When I have difficulties, (3) ?
B: No problem. I am always there if you need help.
A: It's very kind of you. By the way, what's the title of your tomorrow's speech?
B: Only 1.5℃.
A: Sounds interesting. But it's just a number.(4) ?
B: It means we need to keep temperature increases below 1.5℃.
A: If not, what would happen?
B: Unexpected disasters (灾难) would hit the earth again and again.
A: True. The forest fires in Australia have given us warnings.(5) ?
B: The fires lasted for several months. It is reported that countless wild animals have been killed and thousands of people have lost their homes in the big fires.
A: What a bitter lesson!