Mr. Lee made ______ a rule that we must come to school on time.

—How many students are there in the classroom?—_________. They are all in the lab.

______side of the street is lied with different shops, _______ of which sell electronic products.

 Twilight City (暮光之城)is the best movie _____ I _____ in the past eight years.

 Some intelligent and successful people find _____ difficult to succeed in language learning.