--- Thank goodness, you are here ! What ____ you ?
---- Traffic jam．
| A．keeps | B．is keeping | C．had kept | D．kept |
Her little son fell off the boat into the water due to her carelessness. The mother couldn’t help _____because she couldn’t help _____ her son out of the danger.
| A．crying; to save | B．crying; saving |
| C．to cry; to save | D．cry; saving |
He pretended _______ a book when his mother entered the room.
| A．to read | B．to have read | C．reading | D．to be reading |
The production of the factory has grown to _____ in 1999.
| A．twice as it was | B．twice what it was |
| C．as twice as it was | D．twice that it was |
What troubled the teacher was that no one present made an answer when asked who had broken the glasses, so he didn’t know who _____________.
| A．was blamed | B．was to be blamed | C．was to blame | D．would be blamed |
____ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
| A．If | B．As | C．Because | D．While |