It’s difficult to remove the hook _________ the fish in the cold water.
| A．from | B．of | C．to | D．At |
great it will be if you can come to Shanghai to work with us!
| A．What | B．What a | C．How a | D．How |
All passengers must___________ the airport two hours before the departure time.
| A．arrive | B．get | C．reach | D．arrive in |
They started very early yesterday morning_________ get there on time.
| A．in order that | B．so that |
| C．so as to | D．in order not to |
Today Chinese ___________in many schools around the world.
| A．is taught | B．is teaching |
| C．has taught | D．Teaches |