As is known to all, ______People’s Republic of China is _____ biggest developing country in the world.
| A．the; 不填 | B．不填；the | C．the ；the | D．不填；不填 |
English teachers are supposed ________ their students a test in class, even after class, ________ better teaching results.
| A．to give; ensuring | B．giving; to ensure |
| C．to give; to ensure | D．giving; ensuring |
—How is the cloth I chose?
—________. This color will look very pretty on you.
| A．The color is too dark |
| B．You have a good taste |
| C．But the color is sold out |
| D．You can try it on now |
What I am concerned about is ________ they could fit in with society and how we can create more opportunities for them.
| A．which | B．what | C．whether | D．who |
We will make ________ clear that we attach increased importance to all schools sticking to that guidance.
| A．this | B．that | C．it | D．what |
Other genetic similarities suggested they all ________ a single, common ancestor about 300 years ago.
| A．had | B．have had | C．have | D．had had |