-- What is the function of the mouse?-- It________ the cursor(光标) on the screen.
----Where is my watch? I _______ find it. ----Don’t worry. It must be somewhere in your room.
You don’t have to _______ every new word in the dictionary while reading.
----We’re free today. How about going out for a picnic this afternoon? ----_______.
________ exciting sport it is to go bike riding!
You can use English or Chinese ________ you travel in Singapore.