Some classmates often keep "tomorrow" and "the future" on their lips, often saying they will finish their homework tomorrow, that next time they will definitely review well, and so on.

In fact, many rich people are not happy, while some poor people are very happy.

I find it a bit strange that in some countries people's names are written before the surname,

Some problems look difficult, but are very easy to do, so you should try doing them.

Some problems look simple, but are extremely hard to solve.

In some countries, people's names are written after the surname, but after some time, you will gradually get used to it.

Of course. Some clothes lose color the first time you wash them; in fact, there are many ways to solve this problem. The simplest method is to add a spoon of salt to the water and wash again. Wash new clothes with salt water; this way, no matter how long you wear them or how many times you wash them, the clothes won't fade easily.

Well written, except that the meaning of this sentence is a bit unclear; otherwise, everything else is fine.

If a child is rather proud, he should be made to understand that there is still a lot of knowledge to learn; if a child is somewhat shy in character, he should be encouraged often to express his own views, so that every child can develop healthily.

Actually, my family has always opposed my smoking, but I myself didn't think it was a big deal. But lately I've been coughing a lot, so I'm a bit worried.