Selecting a mobile phone for personal use is no easy task because technology _____so rapidly.
| A．is changing | B．has changed | C．will have changed | D．will be changing |
—Did you see who the driver was?
—No, so quickly, that I couldn’t gat a good look at his face.
| A．did the car speed by | B．the car sped by | C．does the car speed by | D．the car speeds by |
By improving reading skills, you can read faster and understand more ofyou read．
| A．that | B．what | C．which | D．whether |
there is a snowstorm or some other bad weal. her, the mail always comes on time.
| A．Because | B．If | C．When | D．Unless |
The thought of going back home was kept him happy while he was working abroad．
| A．that | B．all that | C．all what | D．which |
All the staff {n our company are consideringto the city centre for the fashion show.
| A．to go | B．going | C．to have gone | D．having gone |