The silence of the library is sometimes broken by a sudden cough or the sound of pages_____.
| A．turning | B．turned | C．being turned | D．having turned |
While shopping ，people sometimes can’t help ______ into buying something they don’t really need.
| A．to persuade | B．persuading |
| C．being persuaded | D．be persuaded |
It was ______ten o’clock ______he returned home.
| A．\ …when | B．at …when | C．at …that | D．\...that |
It doesn’t matter to us _______ you do.
| A．what | B．when | C．how | D．why |
Who do you suppose _________ turn to for help?
| A．should we | B．we should | C．do we | D．can we |
I wonder why they’re so late. They ______ here an hour ago.
| A．should be | B．might be |
| C．should have been | D．might have been |