【单选题】
Something must have happened on their way. Or they_____
by now.
【单选题】
The treasury issued an order stating that ____ land purchased from the government had to be paid for in gold and silver.
【单选题】
If a substance is dissolved in water or heated, it
may ____ a gas.
【单选题】
A(n)____ person is one who has much knowledge and
the ability to use it well.
【单选题】
The actress wanted a hat to ____ her dress.
【单选题】
Twenty-year-olds should not _____ to drive in China.
【单选题】
Our teacher recommended that we ____ as attentive
as possible when we visit the museum.
【单选题】
A good newspaper published both ____ and foreign news.
【单选题】
She dares to go alone, _____?
【单选题】
Its an important component of preschool education to help and instruct young children to develop a positive ______.