______ any change about the date，please tell me immediately.
| A．Will there be | B．Should there be |
| C．There will be | D．There should be |
We can't _____ one to change the habits of a lifetime in a short time.
| A．hope | B．wait | C．expect | D．imagin |
Jack is good, kind, hard-working and intelligent. _____, I can't speak too highly of him.
| A．As a result | B．By the way | C．On the whole | D．In a word |
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 |