Unfortunately, the element Madam Curie devoted all her life her death.
| A．to caused | B．causing | C．to be caused | D．to causing |
We met an old friend in New York ________our expectation. She waved at us _______ the street when she saw us.
| A．with; in | B．out of; next to |
| C．in; out of | D．beyond; from across |
The factory was built in a secret place, around ________ high mountains.
| A．which was | B．it was | C．them were | D．which were |
Whenif he had any idea what the novel was about, Jack kept silent.
Hehave read it very carefully.
| A．asking; needn't | B．asking; shouldn't |
| C．asked; can’t | D．asked; mustn’t |
—Can I pay the bill by check?
—Sorry, sir. But it is the management rule of our hotel that payment ______ be made in cash.
| A．need | B．shall | C．will | D．can |
—Mum, I can’t see any point in studying hard.
—Come on, dear. Years of hard study will surely________ in your future career.
| A．make sure | B．bring back | C．pay off | D．pay back |