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 |
She’s been feeling very since she started her new job.
| A．fed up with | B．stressed out | C．connected with | D．addicted to |
—How long have you been doing that?
—Since I her for the first time.
| A．meet | B．met | C．have met | D．had met |
This book tells life story of John Smith, who left school and worked for a newspaper at the age of l6.
| A．the；the | B．a；the | C．the；不填 | D．a；不填 |
Come and see me whenever.
| A．you are convenient | B．you will be convenient |
| C．it is convenient to you | D．it is your convenience |
—Allan looks tired out.
—Sure. He in the gym for two hours.
| A．works out | B．had worked out |
| C．has been working out | D．was working out |