tencent platform provides many games，and they are easy to be found on the web, you can find famous game operators of china first, and you will find many many games on their platforms.

by the way=顺便, by the way , i want to tell you:"....." 我想顺便告诉你一下。。。。 i will give this to him by the way, 我可以顺便把这个给他

the last part means that you should be carefull, do your best in the exam to make sure you make least mistakes, cos the former part says that you have no time to check. but I think there is something wrong with this sentence, the above is what i understand according to the context, if consider "所以一定要把握好做题的节奏" independently, it means you should answer the questions with certain logical order in a certain time which is approved by your thorough consideration

easy to find a job in the large city like beijing\shanghai.......and food is cheap, because the government restrained it, but fee for renting home is expensive accompany with the housing price, i think high housing price of china is famous in the world, you must have heard about it , of course, this is also effected by the practical situation, if you choose a little ,dark,lousy place, the rent is low. the daily life is just so so if you stay in the large city mentioned above, and the smog caused by air polution is a common view in these cities, so the living quality and job can't simultaneously be good in most time , i think it is the same in any place of the world,

核对/确认=check/comfirm

no, can not be left out

虽然外面在下雨，但我还是跑回了家

corresponding translations are as follows respectively: 我刚才在smith家吃过了 我刚才在smith家吃了