From Mum’s love, patience and understanding, I have learned what a huge responsibility ___ is to raise a child.
| A．it | B．that | C．this | D．one |
Jack sent for a doctor after we met with the accident.________I stayed there with the injured old woman.
| A．Meanwhile | B．However | C．Furthermore | D．Therefore |
Our government________the measures put forward by some experts at the meeting and decided to carry them out at once to prevent further air pollution in this area.
| A．agreed | B．approved |
| C．absorbed | D．allowed |
Only when he put his foot into the river________that the water was too cold to swim in.
| A．he realized | B．did he realize |
| C．had he realized | D．he had realized |
Hardly________of the room when it began to rain.
| A．he had gone out | B．was he about to go out |
| C．had he gone out | D．he was about to go out |
He may be________of playing his radio too loudly by law，especially when it is time for sleeping.
| A．defended | B．accused |
| C．reminded | D．informed |