Are your parents satisfied withyour performance at home—_____ but not exactly. They want me to domore housework.

The exam wasn’t difficult at all, was it—No, but I don’t believe ________ could pass it.

It was announced that only when the examination papers were handed in ________to go out of the classroom．

John thinks it won’t be long _______ he is ready for his new job[ ]

Traditional folk arts of Shanxi ________ at the culture show of the 2010 Shanghai World Expo. [ ]