Answer: B) Crossing
Explanation for this question is being written.
Answer: A) Mixing
Answer: A) Eat
Answer: B) Reading
Answer: A) Verb
Answer: C) Thinking
Answer: B) TEACHING
Answer: A) Right
Answer: D) Making
Answer: A) Learning
Answer: C) Dancing
Answer: A) Teaching
Answer: B) Being
Answer: D) I am writing.
Answer: D) Doing-talking on the phone.
Answer: B) Finished
Answer: A) Watching
Answer: B) Present Continuous.
Answer: B) Stealing
Answer: B) Perfect participle.
Answer: B) Solving
Answer: B) Gardening
Answer: C) Having told.
Answer: B) Riding
Answer: C) Memorizing
Answer: C) Doing
Answer: A) Playing the piano.
Answer: D) Doing
Answer: B) Going
Answer: A) Reading
Answer: A) I've been cleaning the house all afternoon.
Answer: A) Going
Answer: C) Walking
Answer: B) Verb +ing.
Answer: A) Using
Answer: C) Going
Answer: B) Wearing
Answer: B) A noun.
Answer: A) Gerund
Answer: D) Giving
Answer: D) Putting
Answer: B) Mind
Answer: A) Preparing
Answer: D) Us laugh.
Answer: C) Experimenting
Answer: B) Engaged
Answer: C) A stem.
Answer: A) Will have completed.
Answer: A) Agreeing
Answer: B) Playing basketball.
Answer: B) Having
Answer: C) Admitted stealing.
Answer: A) Working
Answer: A) Walking
Answer: A) Staying
Answer: A) Setting up.
Answer: A) Is going to sing.
Answer: C) Present participle.
Answer: A) Was flying.
Answer: B) Camping