---We are afraid we can’t finish the work____________a month.
---Just take your time.
| A．among | B．after | C．within | D．by |
All but Dick ________ in Class Three this term.
| A．are | B．is | C．were | D．was |
I took mathematics and physics because I think that ________ very important for me to make further research in this field.
| A．what is | B．they are | C．this | D．which are |
Where to get the materials and how to get them ________ at the meeting.
| A．have not discussed | B．have not been discussed |
| C．has not discussed | D．has not been discussed |
All but Dick ________ in Class Three this term.
| A．are | B．is | C．were | D．was |
You as well ________ right.
| A．I are | B．I am | C．as I am | D．as I are |