As a simple and convenient way to get ______ latest fashions online, online shopping also has ______ major problem — you can’t see whether they fit or not.
| A．the; the | B．/ ; the | C．the; a | D．/; / |
Scientists think that the continents today _______ always where they _______.
| A．aren’t; are | B．aren’t; were | C．weren’t; are | D．weren’t; were |
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 |