His aunt’s letters _____him of those beautiful days when they used to live together in his hometown.
| A．call up | B．call for | C．call on | D．call at |
The time is approaching_______we will have to leave the lonely island.
| A．if | B．whether | C．that | D．when |
Many of the creatures in Rowling’s world are not real,and much of_______happens is strange.
| A．which | B．that | C．what | D．it |
Liu Xiang’s breaking the world record was an exciting moment, _______all of us will never forget.
| A．that | B．one | C．it | D．what |
In his speech,he drew attention to the poor desert nation, _______about 36. million people are hungry.
| A．which | B．there | C．where | D．for which |
______your opinions are worth considering,the president finds it unwise to place too much importance on them.
| A．As | B．Since | C．When | D．While |