As there is less and less coal and oil, scientists are exploring new ways of making use of ____ energy, such as sunlight, wind and water for power and fuel.
| A．original | B．alternative | C．convenient | D．staple |
The girl _______ in bed _______ to us that she had _______ the dictionary on the bookshelf.
| A．lay; lied; lay | B．lying; lied; laid |
| C．lying; lay; laid | D．lied; lied; laid |
It comes as no surprise that many parents walk along their young children ____ their safety.
| A．in search of | B．in place of |
| C．for fear of | D．for lack of |
_______, she is the sort of woman to spread sunshine to people through her smile
| A．Shy and cautious | B．Sensitive and thoughtful |
| C．Honest and confident . | D．Lighthearted and optimistic |
The movie Gravity won seven awards at the Oscar night, _____ was beyond the director’s wildest dream.
| A．which | B．that |
| C．where | D．what |
—What did you say to your sister? I saw her crying in the room.
— It _________ my fault. I just said hello to her when I met her, nothing else.
| A．must have been | B．can’t have been |
| C．oughBtn’t to be | D．should have been |