It’s easy to _____ this math problem. A. work out B. find out C. look out
The students didn’t find much about the topic on that website.
–-Have you seen film The Amazing Spider-Man 2? --- Yes, it is ________ interesting film.
— Do you know ? — Next Friday.
This famous tower more than 300 years ago.
—What did you do for your mom on her birthday? —I her a birthday cake.