Every day the mother seems to be busy until 10 o’clock at night, ____the rest of the family have fallen asleep.

Would you like some coffee–Yes, please. By the way, do you have any milk I prefer coffee ______ milk.

Why did he suffer failure again?—It was his carelessness ________ ________it

Even a mighty express train can be held up by signals. Which of the following words can be used to replace “held up”? [ ]

We Chat is growing fast and it is ______ than Skypein China.