_ with a difficult situation, Arnolddecided to ask his boss for advice.

We climbed a tree, and all of a sudden it _______ to us that we were rather big to be up in a tree.[ ]

With trees and grass__________39.6% of the urban area，the city has taken on a new look.

They moved to Australia_______ 1960. That means they have been in Australia _______ 1960.

Please leave your phone number ______ we can get in touch with you in case of emergency.