L 1: the first question is filled with letters, and the second question is filled with words: teacher, Wetland is the most in ..................................................................................................................................................... The difficult thing is to let you recite the numerical words: 6+3 = 9 and IS 6+Teen = 227+Teen = 24 Teen, and also fill in the front, for example, the back and front of Nineteen are very simple. Language: the difficulty is that there is a second sentence behind blindness, but I can't see Mount Tai. Mathematics: Gregorian calendar years are multiples of 4, all of which are leap years. () Right or wrong? This is not right. You have to put a general in front of everything, and the rest will be simple.