In recent years, with the help of our teacher, I have made_____ rapid progress in ____math.
| A．a; the | B．a; 不填 |
| C．不填; the | D．不填; 不填 |
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 |
The managers consider it is important that everything ________ by weekend.
| A．will complete | B．has completed |
| C．be completed | D．is completing |
—Your sitting room looks so clean and tidy.
—Well, thanks to the babysitter. She is a real ________.
| A．finding | B．invention | C．find | D．discovery |