Obama didn’t explain ______ any larger principles have guided him through the historic convulsions of the 2011 Arab Spring.
| A．what | B．that | C．where | D．whether |
I seemed to be pretty good___ reading his lips after a while, even better than the nurses that were caring ___ him.
| A．at; for | B．for; for | C．at; about | D．for; about |
Never believe all ____ you hear, never regret what you have never lost, and never throw away what you have in your hands.
| A．that | B．which | C．what | D．when |
He______to several European counties so far.
| A．was | B．has been | C．had been | D．will be |
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 |