Did you know that the earth is home to________animals？
| A．million |
| B．millions |
| C．million of |
| D．millions of |
Tom wonders _____ next week.
| A．whether they will have a math test |
| B．whether they have a math test |
| C．if they have a math test |
| D．that they will have a math test |
Mary believes ___ July is the hottest month in Linyi.
| A．where | B．that | C．why | D．whether |
I don’t know if it ______ tomorrow. If it _____ , I’ll fly kites with my friends,
| A．will rain; doesn’t rain | B．doesn’t rain; will rain |
| C．will rain; rains | D．rains; doesn’t rain |
Look! ______ pretty the dragon boats are!
| A．How | B．What | C．Where | D．how |
The librarian(图书管理员) warned me _____ the books in two weeks.
| A．return | B．to return | C．returned | D．returning |