—How do you improve your spoken English?—_______ talking with friends in English.
Bad luck! My watch is broken, ____ it doesn’t _____.
—Beijing has improve a lot these years. —_____ and_____.
_____ we have built “the Green Wall’, _____we still need to work hard to protect our environment.
— Tony, may I have a talk with you now? — Sure. Oh, it’s noisy here. Let’s go ______.
My cousin moved to Canada in 2010 and I haven’t seen him ______.