Unforgettable ______ her pale blue eyes that flashed like diamonds and thin lips wore a pleasant smile

He noticed that the straight part of the dance was different in the afternoon from _______ it had been in the morning（2006年宜昌市模拟题）

Seldom______computer games ever since he entered college.[ ]

Xun were a contemporary writer, I can’tguarantee that he ________ laughed at by readers, as most young people don’tappreciate his writing style.

________ fine weather it is today!— Let’s go for a picnic.