In 1720,Bach’s wife suddenly died, ______him with four children．
| A．leaving | B．to leave | C．left | D．had left |
—What’s the matter?
—My leg when I try to move it.
| A．damages | B．destroys |
| C．hurts | D．Injuries |
Don’t leave Tom alone－he is in such a large house.
| A．frightening | B．to frighten |
| C．frightened | D．Frighten |
—Congratulations passing your driving test!
—Thank you.
| A．at | B．on |
| C．from | D．In |
According to some scientist , every human being, _____, gives off body heat.
| A．what he is doing | B．however he is doing |
| C．whatever is he doing | D．no matter what he is doing |
The companies are working together to create _____ they hope will be the best means of transport in the 21st century.
| A．which | B．that | C．what | D．who |