With so much work _________, they feel worried all the time.
| A．doing | B．to do | C．done | D．having done |
------Do all _______ you think are right, _______ others say.
------yes, I________.
| A．what; as; do | B．as; no matter what; will |
| C．that; whatever; will | D．what; whatever; must |
As you ______ new words in context, it is a very good method for you to guess their meanings.
| A．come about | B．come across | C．come out | D．come up |
Charles Babbage is generally considered ____ the first computer.
| A．to invent | B．inventing | C．to have invented | D．having invented |
Look at the trouble I am in. If only I _____ your advice.
| A．followed | B．would follow | C．had followed | D．should follow |
This is ____________you are mistaken.
| A．what | B．which | C．where | D．that |