I have some doubt ____ his words, but _______ is no doubt that he has passed the exam.
| A．about; it | B．of; that | C．about; there | D．to; he |
The cattle _______ grazing on the grass.
| A．were | B．was | C．be | D．is |
Neither my wife nor I myself ____ able to persuade my daughter to change her mind．
| A．is | B．are | C．am | D．be |
Whatthescienceteacherdoesandsays _________ of greatimportance to college students.
| A．was | B．are | C．is | D．were |
The worker and poet _____ to the party the other day．
| A．is invited | B．was invited | C．had invited | D．invited |
Betweentworowsoftrees_____theteachingbuilding.
| A．stand | B．stands | C．standing | D．are |