空格处应该填begin还是began

My favourite colors -----red and pink.请问各位空格处应该填is 还是are.为什么 some bird can fly,----------can‘t.空格处应该填 some还是any? ____fun the Water Festival is!中间的空格是应该填How还是应该填What The book is the most difficlt--the three.空格处的介词应该填in还是of? He often _____ sth to the school.这里空格应该填bring还是填take? 填 Does,is 对吗?谢谢,第二个空格还是应该填 does 吗?请解析； Please come and see for 空格处应该填什么 The happiest time of Tom's life is 空格 he helps others.空格处应该填 a D and -----s,空格处应该填a还是填an?s是一个辅音字母,但读的是元音开头,怎么运用? who is singing in the next room?_____must be Maria.空格应该填It还是 This is a _____ (interest) man.空格中应该填-ing还是-ed.如果句意是这是个让人感兴趣 You , she and i _______(be) friends 空格里应该填 are还是am ?