The twins study very hard every day, so they take the cake in the exam.

.I am here not because I want to earn money ________I want to educate the children

1—I’m going to take partin the piano competition next week.— _____

________ is often the case with human beings, many animals sleep a lot when young, but sleep much less when they get older.

My pain _____ obvious the moment I entered the office，for the first man I met asked pitifully，“Are you feeling all right？”