It is cruel___ them to catch the sharks and cut______ their fins.
She finds _______hard to finish the work on time. She only has five minutes left.
—They didn’t go to the park yesterday.—___________.
Tom ______the USA. He ________back in two months.A. has gone to; comes B. has gone to; will beC. has been to; comes D. has been to; will be
I haven’t decided when _____ a holiday yet.
We didn’t learn __________in this lesson.