3.Mary is so tall tall that she can easily get the book on the top shelf. (保持句意不变)

Mary is ________ ________ to get the book on the top of shelf easily.

2.The boy asked his mother ,‘ Does water freeze at 0℃?’ (保持句意不变)

The boy asked his mother ________ water ________ at 0℃?’

1.It look the workers and engineers about two years to build the tunnel. (保持句意不变)

The workers and engineers ________ about two years ________ the tunnel.

6.________ is very important for people. (honest)

5.Oil prices are ________ to rise after the war. (certainly)

4.Who will pay the ________ of your education? (expensive)

3.‘Your job is to ________ customers well.’, the manager told the waiters. (service)

2.The Frenchman said, ‘It’s my ________ time to visit Shanghai. I love this city so much.’ (three)

1.Such cold weather is quite ________ in May and people have to wear warm clothes again. (usually)

20．(　　 )“Excuse me，Mr Gemini．You'd better not smoke here．Look at the sign！ ”

“Sorry，I ___________ it.”

A．don't see　 B．didn't see　　 C．hadn't seen　　 D．won't see