If _____ without following the doctor’s instructions, the medicine may have serious side effects.
He left Wenzhou for Beijing last year, and we ________ him ever since.
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.