The old lady didn’t know when the house caught fire.
| A．how to do | B．how to do with it | C．what to do | D．what to do it |
—Welcome to our school.
—.
| A．Yes, I am | B．Oh, good |
| C．Thank you | D．No, I’m not |
Is your brother good ________ Chinese?
| A．at | B．in |
| C．for | D．of |
sheher homework?
| A．Do; does | B．Does; do |
| C．Do; do | D．Does; does |
Don’t go _______ today. There are too many people in the pool.
| A．shopping | B．climbing |
| C．swimming | D．running |
Tom _________my new classmate.
| A．are | B．is |
| C．am | D．be |