We asked John and Jerry,but ________ of them could offer a satisfactory explanation.
| A．either | B．none | C．both | D．neither |
An exercise method _____ to improve strength and balance is becoming popular in the United States.
| A．designing | B．designed |
| C．to be designed | D．being designed |
Frank, where have you been? We _____ you since 2 o’clock.
| A．have been waiting for | B．are waiting for |
| C．had waited for | D．waited for |
You will recognize Jane when you see her at the airport. She _____ a large blue bag.
| A．carries | B．is carrying |
| C．will be carrying | D．has carried |
_____ all my money on the car, I can’t afford a holiday with my friend this summer.
| A．Spending | B．Spend |
| C．To spend | D．Having spent |
—What do you think of the film Wolf Totem?
—Very good. The plot is _____ brings tears to my eyes.
| A．How | B．why | C．What | D．that |