The expert insisted that silkworms were first raised by a woman in ________ is now Hebei Province．

which

that

where

what

My grandfather is as ________ as a young man and hates sitting around doing nothing all day．

enthusiastic

energetic

talkative

sensitive

－I am afraid the task is too difficult for me, sir．

－________, Linda．Just believe in yourself!

No problem

That’s all right

That’s OK

Come on

－John, where are the cookies?Don’t tell me you ate them all．

－________．I couldn’t help it．They were so good．

Yes, I did

No, I didn’t

Yes, I have

Why?Sound strange

Mike had to walk home ________ his bike stolen．

with

as

for

since

So far, several cases of a disease, ________ as H1N1, are reported to have been found in the country．

knowing

to be known

having known

known

－Where is your uncle’s home?

－In New York．But he ________ in Boston for four years．

has lived

lived

had lived

had been living

－May I help you?

－Yes, I’d like to try on some sports jackets just like ________ I’m wearing．

it

one

the one

that

－Did Jack come back early last night?

－Yes, It was not yet eight o’clock ________ he arrived home．

when

that

before

until

－May I tell this to my close friend?

－No, you ________．Never let anybody else know about it．

needn’t

shouldn’t

mustn’t

can’t