-----        you swim?   ----- Yes,I can.

—Are you going to Guilin by plane?—It’s fast but expensive, so I’m not sure. I __________ take a train.

—What have you learned from your experience in Thailand?—Well, meeting people from another culture ______ be very difficult．

When we were young, every evening my brother and I ______ stay at home waiting for our mother.

According to the school rules, if a student _________ happen to damage something by accident,he/she should report it to a teacher or the office immediately.