英语翻译

英语翻译
1.我出门时,妈妈再三告诉我多穿件外套.
mother told me to put on another coat ___ ___ ___ when i went out.
2.一本百科全书通常是由许多书组成的.
an encyclopaedia often ___ _____ a number of books.
3.起初人们并不相信罗伯特说的话.
people didn't believe what robert said ____ _____.
4.这两双鞋的尺码一样.
the two pairs of shoes are the same ___ ___.