A cold environment can slow down the worm’s ____ cycle.
Tom: "___________________ " Mike: "I won't say no!"
The phrase "keeps sellers on their toes" in the passage mostly means "______".
Education in many countries is compulsory________the age of 16.
The Lake District,____________________ was made a national park in 1951, attracts a large number of tourists every year.
______ his brother, Mike is active and friendly.
The word "allocated" in the passage mostly means "______".
Standing on the tip of the cape,____________________ .
Michael looked deeply hurt and surprised when_____________________ .
_______ has been a topic of continual geological research.
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "