Those overseas students volunteer 10 hours each week in Paris ________ free food and accommodation.
| A．in search of | B．in contact with |
| C．in case of | D．in exchange for |
--- How ________ do you attend the evening classes?
--- _______, three times per week.
| A．long; On the whole | B．often; On average |
| C．soon; Generally speaking | D．much; In all |
It is suddenly ______ me that we could turn to our neighbours for help.
| A．thought | B．struck | C．came | D．occurred |
Tom succeeded, for he had made a great ______ and got over plenty of difficulties.
| A．progress | B．force | C．energy | D．effort |
It is agreed _______ there is a river, there is a city.
| A．that | B．where | C．that where | D．there which |
It is amazing that the little boy can go _______ the forest ________ 100 meter long.
| A．across; measuring | B．over; measured | C． across; measure | D．through; measuring |