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 |
–You’re wearing your new sunglasses again! But you said you had lost it on the train!
–Unbelievable, right? Someone _____ it．
| A．will have stolen | B．might have stolen |
| C．should have stolen | D．must have stolen |
–Your car requires _____, Jeff．
–Sure．You know it is also what I want to have _____ for long．
| A．being repaired；to be repaired |
| B．repairing；it repaired |
| C．repairing；repaired |
| D．to be repaired；it repaired |
–Mo Yan’s novels have attracted public attention．
–Yeah．Now there are his books _____ in every bookstore．
| A．affordable | B．acceptable |
| C．vailable | D．Valuable |
The girl, when _____ why she _____ in the exam, just lowered her head and kept silent．
| A．questioned; was cheated |
| B．being questioned; was cheating |
| C．questioned; had cheated |
| D．being questioned; has cheated |
Mary dropped the vase, but her mother stared at her _____ she had done something clever．
| A．in case | B．as if |
| C．o that | D．Though |