Yang yan, are you coming with us? —I’d love to, but something unexpected ______

How does the old man go to the park —He sometimes ____ to the park ____ foot.

What__________ to you this morning

The researchon the new flu virus vaccine is challenging and demanding. Who do you think cando the job —______ mystudents have a try

I’d like you to tell me something about Shenongjia.—-I’m sorry, but neither Jack nor I ____________there.