Can you play ________ guitar—Sure. It’s a piece of cake for me.

To learn how their children are doing at school, parents need to _______ the teachers every now and then.

Do you know the West Lake in Hangzhou? – Yes, this is the third time that I ____ this beautiful city

Please _________ the tigers. It’s dangerous to take photos with them.—Oh, I see. Thank you.

People are puzzled _____ they read the book.