A）根据括号中所给的汉语写出单词，使句子意思完整正确。
Our English teacher gave us many   ▲ (建议) on the study of a foreign language.
As we all know, a year is   ▲  (划分) into 12 different star signs.
Is that Miss Lee? She is much   ▲ (苗条) than before.
Robert enjoys   ▲ (收集) stamps and now he has 300 of them.
The Canadian singer Justin Bieber became famous   ▲  (立即)after his song “Baby”.