If you happen to get lost in the wild, you’d better stay ________ you are and wait for help. [ ]

.Having retired from the local government, he now ____himself with the welfare of the disabled.

“Will he agree to come to join us in the work?” “No, _______ we promise him more money.”

The problems are too complex ________ easily.

— Do you have anything _______ for this Saturday afternoon? — Not yet [ ]