Duncan, ______ NBA star, is one of _______ few football players who are very popular to many of his Chinese fans.
| A．an; the | B．an; a | C．the; the | D．the; a |
The next day, the group of villagers had not gone very far ____ they entered a very narrow passage between two mountains.
| A．after | B．when | C．until | D．while |
—I can’t find Mr. Smith. Where did you meet him this morning?
—It was in the hotel ___ he stayed.
| A．that | B．where |
| C．which | D．the one |
—Are you free after school?
—Sorry, I’ve planned to treat a friend of mine to dinner ______ for help.
| A．in order | B．in return | C．in turn | D．in honor |
---How did your students express their thanks to you on Teachers’ Day?
---A gift together with many flowers _______ sent to me.
| A．is | B．are |
| C．was | D．were |
We arrived home at 9:00 in the evening, __________most people had already had supper.
| A．at that time | B．by that time | C．at which time | D．by which time |