I think your pen is in your pencil-box. —_____.[ ]

What do you think of your trip to Hainan? —Wonderful. We were all ________with the ________trip.

People ______always be careful with fire， or it can be dangerous.

There a dolphin show in the zoo tomorrow . -Great ! Let’s go to see it together.

______ did you spend your summer vacation last year?— In England.