Though I am improving in my study, I still have a long way to go _____some of my classmates.

Did you succeed in getting to the top of the hill, Kevin—Yes, we did __________ it took us three hours to get there.

How about going hiking this weekend——Sorry, I prefer _____ rather than _____.

The five young firefighters _________ to put out the big fire.

John, have you gone over your lessons learnt this morning—Not yet.—You should know _____.