We’ve booked a room in the center of town for the guests ______they can stay for three days.

Can Tim play _________ chess—Yes. And he can play _________ drums, too.

When leaders of Chinese mainland( 大陆) and Taiwan met in Singapore for ______ first time since 1949. President Xi said， “Today will be remembered in history. “

Do you have ________ to do the work ________—Yes, I think so.

Look! So many passengers________ with their phones on the underground.