________ many changes have _______, we should keep pace with the changes too.
______ is often the case, many Chinese parents save enough money for their children’s further education.
Little Bob is often educated by his parents to be good and friendly to anybody even if ________.
--- Mike, it’s a pity you didn’t come to last night’s concert. It was really great! --- Really? If I ________ so busy, I would have gone with you.
Some children want to challenge themselves by learning a language different from ________ their parents speak at home.
Mathilde and her husband turned the whole room upside down ________ the lost necklace.