. Mary _____ be in London because I saw her in town just now.
| A．mustn’t | B．isn’t able to | C．needn’t | D．can’t |
Ted came for the weekend wearing only some shorts and a Tshirt，________ is a stupid thing to do in such weather.(2011·全国Ⅱ)
| A．this | B．that | C．what | D．which |
It was only when I reread his poem recently ________ I began to appreciate their beauty.
| A．until | B．then | C．that | D．so |
It is the ability to do the job ________ matters not where you come from or what you are.
| A．one | B．that | C．what | D．it |
It is these poisonous products ________ can cause the symptoms of the flu, such as headache and aching muscles.
| A．who | B．that | C．how | D．what |
Is it with its charming scenery and a unique culture ________ Lugu Lake
impresses people from all over the world?
| A．that | B．which | C．where | D．why |