— Harry is too thin for his age.
— So he is, but ______ he is very healthy.
| A．finally | B．exactly | C．eventually | D．actually |
Would you please ______ your statement again? I don’t understand what you were saying.
| A．classify | B．clear | C．clarify | D．charity |
---How long has the United Nations ________?
--- ______1945.
| A．come into existence; In | B．been in existence; Since |
| C．been in existence; From | D．come into existence; For |
Dr. Black is a professor of chemistry. _______, he is a famous writer.
| A．In all | B．In brief | C．In fact | D．In addition |
The new invention may __________a lot of changes in our daily life.
| A．result from | B．expose to | C．lead in | D．contribute to |
It _______ them three years to build this road.
| A．spent | B．took | C．spend | D．paid |