It was a pity that he missed the meeting_________ in London last month.

• A、held

• B、to hold

• C、to be held

• D、having held

二. 詞匯與語法知識（共15題，每題1.5分.共22.5分。）

從每小題的四個選擇項中，選出最佳的一項。

The teacher told his students that the earth___________round like a ball.

• A、is

• B、was

• C、be

• D、had been

53.________.