23．—Sorry, I’m late.
—That’s OK. You’re here and that’s what_________.
| A．counting | B．to count | C．be counted | D．Counts |
Lucy has a great sense of humour and always keeps her colleagues ________ with her stories.
| A．amused | B．amusing | C．to amuse | D．to be amused |
Evidence has been piled up________ drinking water after getting up in the morning contributes to one’s health.
| A．what | B．which | C．if | D．that |
Just imagine performing such an opera as Turandot in the Forbidden City. There ________ be a better setting!
| A．mustn't | B．shouldn't | C．couldn't | D．needn't |
Our government has taken some measures to overcome the lack of electricity, but it may take some time________ we have enough power．
| A．since | B．after | C．unless | D．before |
Science and technology are advancing so quickly that________ is a possibility today may be a reality tomorrow．
| A．that | B．which | C．不填 | D．what |