________ the jewels were locked in a strong box，the thieves stole them without any difficulty.
| A．If | B．Unless | C．Although | D．Because |
Heasked_______ any elephants in the zoo the day before.
| A．if did you see | B．if you had seen | C．whether did you see | D．that you had seen asked |
Kathy _______ a lot of Spanish
by playing with the native boys and girls.
| A．picked up | B．took up | C．made up | D．turned up |
She wanted to go to the disco, _____, her parents told her not to.
| A．instead | B．but | C．however | D．while |
Sandy could do nothing but _____ to his teacher that he was wrong.
| A．admit | B．admitted | C．admitting | D．to admit |
I’d like to buy a house —modern, comfortable and _____ in a quiet neighborhood.
| A．in all | B．above all | C．after all | D．at all |