He left ______ with my secretary that he would call again in the afternoon.He said he would keep ______.
A recent survey revealed that __________ dogs barking incessantly in the night that we disliked most.
If you __________ succeed, you must study as hard as you can.
—Mike, why didn’t you come yesterday? —I __________, but I had an unexpected visitor.
—What about the books? —This kind of book __________ well.
Unfortunately, when I dropped in, Mr. Smith __________. So we only had time for a few words.