16.After driving for 20 miles, Jackson realized that he______in the wrong direction.
The reason ______ at the meeting for being late was not reasonable.
With the guide _______ the way, we finally got to the village which we were looking for.
To qualify yourself for this kind of new job, I recommend that you ________ some online courses.
— I hear it will rain tomorrow.— It _______ true. You see, there are so many black clouds in the sky now.
I was scared _______ when I saw the tiger jumped out of the cage and ran to the little child.