We asked John and Jerry,but ________ of them could offer a satisfactory explanation.
| A．either | B．none | C．both | D．neither |
—It’s a little bit cold today, but you have sweat all over.
—Yes, I _______ around the city for almost three hours.
| A．have hiked | B．was hiking | C．am hiking | D．have been hiking |
The rate of unemployment in America after the worldwide economic crisis may be ______ reported earlier.
| A．as twice high as | B．twice as high as |
| C．as high twice as | D．as high as twice |
Cycling is a very useful way, especially in cities _______ bike paths have been built.
| A．which | B．that | C．where | D．what |
This is not what I __ him to say.
| A．hoped | B．expected | C．has hoped | D．thought |
While playing on the playground, ____.
| A．a stone hurt me | B．a stone was hurt me | C．my leg was hurt by a stone | D．I was hurt by a stone |