ave you learned from your experience in the USA—Well, meeting people from another culture ______ be very difficult.

___________did they visit the moon last month? ———They visited it in a spaceship

Miss Zhu is one of the most popular _________ in our school.

Peter has bought another new phone again in this month—It’s just ________ of him to lose interest and waste money.

Planning so far ahead ________ no sense—so many things will have changed by next year