His research covers a wide range of topics.

He launched a project to provide educational opportunities for children in developing countries.

A back vowel is a vowel that is pronounced at the back of the mouth.

He locked the door and shut us out.

He checks the locking up of the house every night.

He says that what you like to do, you do well, so he practices drawing every day.

He always has a mischievous smile on his face.

He has a warlike personality, always playing strategy games.

He likes toddlers and is always playing with children in the park.

Please shut the window.