Fred was playing the piano while Mary and I (sing) ________.
I think Eric (justify) ____ in refusing to help the beautiful girl.
It is difficult for a two-year-old child (read) ___ this book.
()激光打印机()办公自动化
So absorbed as he is that she did not dare to make a sound.
B)他那么吸引人,她不敢弄出一点声音。
C)他那么聚精会神,她不敢弄出一点声音。
D)他那么吸引人,她连一句话都不敢说。
Things got so bad (recent) ____ that he decided to take a vacation in Greece.