According to news reports, personal _____of guns in the USA causes a lot of trouble.
| A．wealth | B．possession | C．matter | D．problem |
_____ many times, but she still didn't know how to do it.
| A．She was taught | B．Having taught | C．Having been taught | D．She has taught |
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 |