Bob said he was going to join our club but he didn’t. What a shame! He ______ his mind.
Not all the patents________ have been recognized.
Unless______, this law will make life difficult for farmers.
This year many factories raised the prices of clothes to _____ the higher cost to customers.
Before the operation, the doctor had to talk to the patient in order to remove her fear________ she might die during the operation.
— How about dinner tonight? It's on me. — ______ .