I found many people ________ on the benches at the endof the day，chatting.

What do you think of the show The Brain on Jungiang TV—Fantastic. ________ is really smart ________ a 7-year-old boy to add up numbers so quickly.

The girl in the classroom ______ be Maria. She called me from the library just now.

We should keep on ______ English every day to improve our spoken English.[ ]

How long can you __________ the book from the library