Ellen was a painter of birds and of nature，__________，for some reason, had withdrawn from all human society.
| A．which | B．who |
| C．where | D．whom |
—Her father is very rich.
—________She wouldn’t accept his help if it were offered.
| A．What for? | B．So what? | C．No doubt. | D．No wonder. |
The living room is clean and tidy, with a dining table already ________ for a meal to be cooked.
| A．laid | B．laying | C．to lay | D．being laid |
Computers and mobile phones, though they are indeed making our life________ and more________, have reduced the need for face-to-face communications.
| A．easily; efficient | B．easier; efficient |
| C．easy; efficiently | D．easily; efficiently |
The news shocked the public, ________to great concern about students’ safety at school.
| A．having led | B．led | C．leading | D．to lead |
.Everything comes with________ price; there is no such________ thing as a free lunch in the world.
| A．a; a | B．the;/ | C．the; | D．a;/ |