– Jack?
-- ____.
| A．Present, Sir. | B．I am, Sir | C．Here, Sir | D．Yes, Sir. |
Kathy opened her mouth, expecting a candy and then looked puzzled______ she got nothing.
| A．when | B．although | C．so | D．Once |
------ Kate and Lucy are twins.
------ Oh, I ______ why they looked so alike.
| A．wonder | B．have wondered |
| C．was wondering | D．had wondered |
A lunar probe-Chang’e-2_______ as much as 2 tons was sent up into space on October12010.
| A．weighing | B．weighed |
| C．to be weighed | D．being weighed |
------What will you do during the coming winter vocation?
------ I don’t know, but it’s about time ______ something.
| A．I’m deciding | B．I’ll decide |
| C．I’d decided | D．I decided |
As the crowd rushed towards the gate, several people got______.
| A．knocking down | B．knocked off |
| C．knocking on | D．knocked over |