Tom was thinking about how to explain to the boss why he was late for work, when a good idea __________ him.
| A．happened | B．brought |
| C．occurred | D．struck |
. She feeds the baby _____ milk and grass _______her cattle.
| A．on; t o | B．to; on | C．with; to | D．on; with |
Between the two generations, it is often their different views of life and value _____ cause family conflicts.
| A．which | B．what | C．who | D．that |
. With their son ______ a foreign college now, the parents have some financial problems now and then.
| A．to attend | B．attending | C．attended | D．having attended |
Another primary school is reported _______ for children in Wen Chuan now.
| A．to have been built | B．to have built |
| C．being built | D．to be building |
The citizens of Beijing are proud of _______ they have done to make Beijing a beautiful city.
| A．that | B．which | C．what | D．how |