The beautiful song ________ me of those happy old days we had spent together.
When the boss got to the factory ________ midnight, he found it ________ ruins.
It is the first time that Mr. Smith ________ Wenzhou and I’d like to show him around.
Jack decided to buy himself an iPhone 4 _______ it means standing in line all night waiting.
I didn’t go outing on National Day because the bad weather ______ the difficulty.
As is known to all language learners, the newly learnt words will soon be forgotten unless______ used in everyday communication.