30 % of the young trees, attacked by diseases, ________pine trees.
| A．is | B．are | C．was | D．has been |
– What _______to stop this world _____hungry?
--- Birth control.
| A．can be done; to go | B．we do; going |
| C．can be done; going | D．will happen; going |
We _______-word from him so far. Where could he be?
| A．don’t have | B．haven’t any | C．have no | D．have had no |
The problem with people in Africa ____that the more is given and the more ______.
| A．is; is needed | B．are; is needed | C．is; they need it | D．are; they need it |
They say in many western countries a large number of beef cattle ________.
| A．are raised | B．is raised | C．is risen | D．rise |
In order to repay the money they borrowed, 60 % of the farmers _____cash crops.
| A．are forced growing | B．is forced growing |
| C．grows | D．grow |
90 % of the debts _______ so far.
| A．is paid back | B．have been paid off | C．has been paid off | D．are paid off |
I could have helped him out, to tell the truth, I _____ too busy.
| A．am | B．was | C．have been | D．had been |
– These plants ______ lack of water.
--- You should have watered them.
| A．died for | B．dead for | C．was killed | D．died |
– What place is it?
---Haven’t you found out we ______back where we ______?
| A．were; had been | B．are; were | C．were; have been | D．are; had been |
– How does Alma like her new work?
--- She _____ with the hours.
| A．can’t satisfy | B．isn’t satisfied | C．doesn’t satisfy | D．hasn’t satisfied |
How about going to the cinema with me tonight?
---I’ll ask my parents if they ____ me go.
| A．have let | B．let | C．will let | D．are going to let |
They climbed rocks, _____rivers and settled in the valley.
| A．across | B．crossing | C．crossed | D．and crossing |
– Either you have made a mistake or he has.
--- I _________.
| A．have | B．made | C．am | D．was |
What a big surprise to see you here! I _______ you ____ still abroad.
| A．think; were | B．thought; are | C．think; are | D．thought; were |
粤公网安备 44130202000953号