We’re looking forward to his new _______ .
A: discover
B: discovered
C: discovery
D: discovering
                    A: discover
B: discovered
C: discovery
D: discovering
举一反三
- Madam Curie is believed ___ the radium. A: having discovered B: to discover C: to have discovered D: discovering
 - Madame Curie is believed _________ radium (镭). A: discovering B: having discovered C: to have discovered D: to discover
 - We’re looking forward to ___________ (visit) the photo exhibition.
 - I’m/We’re looking forward to your reply.
 - The scientist ________ a new bacteria in 1912. A: discovered B: was discovering C: discovers D: have discovered
 
