—Have you ever been to Canada?
— Yes, I _______there last year with my parents.

—I prefer speaking to listening in English learning.
—Oh, really. I think you should be good at ______of them.

—How do you like your English teacher?
—He is great. We all love him. We ______ friends since three years ago.

Is there _______with your bike?

—Jim isn’t in the classroom. Where is he?
—He _______to the teacher’s office.

He promised to pick me up at the school gate. However, he ______ yet.

I have two cats. One is black, and ______ is white.

There _________ a concert on Qixing Square next Monday evening.

—Who helped Jessie with her English?
—_______, she taught herself.

The population of the world ______ still _____ now.