Bob has made a lot of promises, but______of them have been carried out.
—What’s the matter________you? —There is something wrong with my eyes.
The lady took________X-ray and she showed________X-ray to the doctor.
It was very hard for me to make a________,but I decided to leave my job.
I saw Li Ming________near the river on my way home.
I have great________in learning math and I am so worried. A.trouble B.interest C.fun