1 . —She was thrilled to get a ticket for Taylor Swift's solo concert.
—She earned it the hard way, for she ________ carefully over the past 3 months.

A．had budgeted	B．had been budge
C．would budget	D．has been budgeting

2 . —I am so frustrated that the house we______in for so many years was consumed by the fire.
—Come on.Look on the bright side.I feel lucky to have escaped in time.

A．would live

B．had lived

C．live

D．have lived

3 . Conservationists __________on setting aside natural reserves for the wild species they are trying to protect during the past decade.

A．focused

B．focus

C．have focused

D．had focused

4 . The student said there were a few points in the essay he_________impossible to comprehend.

A．has found

B．was finding

C．had found

D．would find

5 . I __________ to give you just a surprise quiz but on second thought I chose to let you reflect on your exercises.

A．had intended

B．has intended

C．intended

D．has been intended

6 . It was the tenth time that the Chinese women’s volleyball team _____ the world championship.

A．claimed

B．has claimed

C．has been claiming

D．had claimed

7 . When Stanley finally made it to the lecture hall, the professor________his speech for half an hour.

A．had delivered

B．delivered

C．was delivering

D．has delivered

8 . ―Why are you so excited?
—I met Tommy just now. We _____ each other for ages.

A．haven’t seen

B．didn't see

C．hadn't seen

D．don't see

9 . McDonald's announced the Beijing-based corporate group __________ the franchise(特许经营) bid to run its China operations for the next 20 years on Monday.

A．won

B．would win

C．has won

D．had won

10 . An international team of astronomers announced Wednesday that they ________ the first-ever image of a black hole.

A．have captured	B．were capturing
C．had captured	D．would capture