It is you as well as your wife that ______ your son's bad performance at school.
| A．is to be blamed for | B．are to be blamed for |
| C．are to blame for | D．is to blame for |
Tony ________ for the company as an engineer for two decades. Now he teaches mechanics in Peking University.
| A．has worked | B．worked | C．is working | D．had worked |
Modern teaching equipment as well as some computers ________ to the village school last week.
| A．were sent | B．was sent | C．has been sent | D．had been sent |
It's on the festival occasions________ the family get together________ he misses his late father.
| A．where; that | B．which; when | C．when; that | D．that; when |
Shenzhou-VIII has docked with Tiangong-I successfully, ________ the start of the establishment of China’s own space station．
| A．marked | B．to mark | C．marking | D．having marked |
A fantastic idea occurred to him ________ he could use a plastic bottle, ________ cut off, as a container to grow young plants in.
| A．which; whose top | B．that; the top of which |
| C．that; with its top | D．whether; whose top |