A warm thought came to me ________ I might help wash my mom’s feet on Thanksgiving Day.
| A．if | B．when | C．which | D．that |
Last year the number of the students who graduated with a driving license reached 200,000, a(n)________ of 40,000 per year.
| A．average | B．number | C．amount | D．quantity |
Only after they had discussed the matter for several hours ________ a decision.
| A．they reached | B．did they reach |
| C．they reach | D．do they reach |
I don't think ________ possible to master a foreign language without much memory work.
| A．this | B．that | C．its | D．it |
Child as he was, he ________ a good idea to solve the problem.
| A．came up with | B．came about |
| C．came into | D．came out with |
With the development of science and technology, the prices of TV sets have ________.
| A．gone down | B．went down |
| C．brought down | D．been gone down |