一、词汇运用。
A)根据句意及汉语提示写单词。
1．My sister has two long white (连衣裙)．
2．About a(n) (四分之一) of my friends like English.
3．These animals (动物) only come out at (夜晚)．
4．Mike usually goes to bed at twenty (过) nine.
5．A(n) (群) of us are going to the club this evening.
B)根据句意，用方框中所给词的适当形式填空。
