You’d better give the task to _____ you think can finish it ahead of time.
Sorry, we are late,--our plane was _____ because of the heavy rain.
Mathilde and her husband turned the whole room upside down ________ the lost necklace.
________ the help of her teacher, Mary ________ in the past few months.
—Tom has passed the final exam.—______! He never really worked hard before.
In China, shaking hands with each other is a common________ when people meet for the first time.