It was _____ terrible earthquake and _____ number of people who were killed reached more than 20,000.
| A．a; the | B．the; a | C．the; the | D．a; a |
Scientists think that the continents _______ always where they ___today.
| A．aren’t; are | B．aren’t; were | C．weren’t; are | D．weren’t; were |
--- Would you tell me ______ you want your tea with sugar or milk?
--- Sugar, please.
| A．whether | B．where | C．what | D．how |
--- Would you tell me ______ you want your tea, with sugar or milk?
--- Sugar, please.
| A．whether | B．where | C．what | D．how |
Leaves are found on all kinds of trees, but they differ greatly _______ size and shape.
| A．on | B．from | C．by | D．in |
He began to take political scienceonly when he left school.
| A．strictly | B．truly | C．carefully | D．seriously |