The excellent student, _______ abroad for many years, is on the way back to her own country.
| A．to study | B．studying | C．to have studied | D．having studied |
It was the training ________ he had as a young man ________ made him so excellent.
| A．what; that | B．that; which | C．that; what | D．which; that |
Not until she took off her dark glasses ________ she was a famous film star.
| A．I realised | B．that did I realise | C．did I realise | D．that I realised |
It is ten years since we ________ each other last time.
| A．see | B．have seen | C．saw | D．had seen |
More wild tigers have been seen in the forest around this area, ________ there used to be very few.
| A．when | B．where | C．what | D．which |
It is usually warm in my hometown in March, but it ________ be rather cold sometimes.
| A．must | B．can | C．should | D．would |