There are some children ________ in the park.

The loss of ability in the mother tongue is mainly caused by theuse of electronic devices and a lack of attention to culture.

Jim can’t find pen. Can you lend to him

I don’t know _______ this type of smart phone.–You’d better try the website www.meituan.com

It’s already 10’clock. I wonder how it ______ that she was two hours late on such a short trip.