______ worries me that my daughter plays with her cellphone for a long time every day.
It is reported that some wild animals were found_______ in a big cave in the mountain.
.We’ve published large quantities of books. This year______ we’ve published three million copies.
—Have you been to Mexico?—No, I ______ last year, but Dad wouldn’t let me.
Hawking became world-famous in _______.
They asked me to have a dinner in an excellent restaurant with the, I said that it was at least five years since I _______ a good meal.