**语法专区

1. We agreed ___ here but so far she hasn’t turned up.

A. having met        B. meeting        C. to meet        D. to have met

2. While shopping，people sometimes can’t help ____ into buy something they don’t really need.

A. to persuade      B. persuading       C. being persuaded        D. be persuaded

3. Having a trip abroad is certainly good for the old couple，but it remains ___ whether they will enjoy it.

A. to see       B. to be seen         C. seeing           D. seen

4. Charles Babbage is generally considered __________ the first computer.

A. to have invented             B. i nventing          C. to invent           D. having invented

5. Do let your mother know all the truth. She appears ____everything.

A. to tell         B. to be told          C. to be telling         D. to have been told