He went home for lunch____ the clock struck twelve.
| A．while | B．immediately | C． right away | D．at once |
The teacher stressed again that the students should not _____ any important details while retelling the story.
| A．bring out | B．leave out | C．let out | D．make out |
If it is quite ________ to you, I will visit you next Tuesday.
| A．fair | B．comfortable | C．easy | D．convenient |
The trees _____ in the storm have been moved off the road.
| A．to blow down | B．blowing down | C．blown down | D．being blown down |
Only when I left my parents for Italy ______ how much I loved them
| A．did I realize | B．I realized |
| C．had I realized | D．I had realized |
Dogs have a very good_____ of smell and are often used to search for survivors in an earthquake.
| A．view | B．means | C．sense | D．idea |