Helen go on the trip with us, but she isn’t quite sure yet.

Man must keep in mind that it will be years ________ the earth recovers from the damage he makes to it.[ ]

I enjoy when you help whoever is suffering in the earthquake. [ ]

Will you go to the party tomorrow， Xiao Hai？ —No, ____ I was invited to.

What ____ you to get bored with her?—_____was her laziness and unkindness.