Students should study hard to make their dreams_______.
weather! Shall we go to the park?______. Let’s go.
______ of the workers in the computer factory is about two thousand, and ______ of them are women workers.
--- May I use your dictionary, please?--- Sorry. My dictionary . I’ve looked for it everywhere but I ______ it yet.
I really wanted to help those homeless children in the flooded areas, ______ I donated all the pocket money that I had saved for months.
I think ______ is necessary ______ us to do something useful to protect the birds.