There__ lots of people at the restaurant when I got there.

______ Mr Li is now waiting for you on ______ firstfloor

“Wechat”(微信) really makes a great _________ to people’s life. It’s easy for us to keep in touch with others.

.You should remember the cause and avoid it the next time you __________ the same situation.

The light in the room wasn’t _______for me to read.