Engineering is ______ challenging course of study that requires ______ thoroughunderstanding of mathematics and science.
| A．the; a | B．a; the | C．不填；不填 | D．a; a |
Although it’s at ____ dusk, the children don’t get tired of playing ____ football outside.
| A．the; the | B．/; / | C．/; the | D．the; / |
Don’t you consider _____ funny to wear jewels borrowed from others to a party?
| A．it | B．this | C．that | D．不填 |
If the earth stopped moving, everything _____.
| A．would disappear | B．disappeared |
| C．will disappear | D．disappears |
There was a tall boy sitting in front of me, blocking my _____ completely.
| A．scene | B．sight | C．scenery | D．view |
The best man carefully goes with the couple to the church, _____.
| A．marry | B．to be married |
| C．married | D．being married |