At the meeting they discussed three different _________ to the study of mathematics.
| A．approaches | B．means |
| C．methods | D．ways |
Only when Tom fully recovered _________back to work.
| A．did he go | B．he went | C．had he gone | D．he had gone |
The couple finally bought the house they wanted, for they _______enough money.
| A．had saved | B．were saving | C．would save | D．were to save |
You look so tired. You________have stayed up late again.
| A．should | B．can | C．may | D．must |
－ Has Tom already finished his new story?
－ I Have no idea. He _________it last month.
| A．had written | B．was writing | C．would write | D．wrote |
To write your report, you may refer to books 19th_______century Englist literature.
| A．from | B．in | C．about | D．at |