单项选择题
In that country, a person who marries before legal age must have a parent's ______to obtain a license.
单项选择题 To celebrate the national day, there was a ______fireworks display.
单项选择题 You'll find that the community has ______great changes since you were here last time.
单项选择题 Russian women had to wear protective masks as they walked in Moscow, which was______ by a heavy smog yesterday.
