---Was your holiday trip to Europe amazing? ---Not really! But___________we got back safe, before the European airspace restriction caused by the Icelandic volcano ashes.
There were _______ shops in the city in 1982 than in 1990.
If you are not free today, come another day __________.
He can’t tell us ________, I think.
The Huang River is the second __________ river in our country.
The light in the office wasn’t ________for him to read.