---Let me help you carry the box.---No, thanks. It’s big, __________ there is nothing in it.
A long time __________ since he ________ Shanghai.
My dad __________ Singapore for a meeting. He ________ there twice.
The course _______ many topics, ________ travel, money and shopping.
Can you give me________water? I feel ________thirsty.
The computer game _______ well and _______ out very soon.