Over 200,000 hotel reservations were made in Hong Kong through Taobao last year, ________ it the most popular travel destination among Chinese netizens.
Oh, Tom your face is very dirty.Look at yourself ___ the mirror.
Madame Curie and her husband continued to work __ all the discomforts.
Not only he but also you __ wrong.
This writer’s books are devoted ___ children.
No matter what happens, you should stick ___ your word.