I know Mr. Brown; we ______ to each other at an international
conference.
A: are introduced
B: are been introduced
C: were introduced
D: had been introduced
conference.
A: are introduced
B: are been introduced
C: were introduced
D: had been introduced
举一反三
- Do you remember _______ Professor Fan during your last visit? A: having been introduced B: being introduced to C: to have Introduced D: to be introduced
- With the development of science, more new technology to the field of IT. A: has introduced B: is being introduced C: is introduced D: was introduced E: is introduced F: was being introduced
- With the development of science, more new technology ______ to the fields of IT. A: has introduced B: is being introduced C: is introduced D: was introduced
- 中国大学MOOC:"This __________ method has been introduced in every factory. ";
- New measures have been introduced to ___ traffic congestion (拥堵) in the city