You are ________ you think you are!

not half as cleverer as

not half as clever as

as not half cleverer as

as not half clever as

Which do you enjoy ________ your spare time, playing cards at home or taking a walk in the park?

spending

to spend

spent

spend

Mary was only too ready to help others, seldom, ________, refusing them when they turned to him．

if so

if not

if any

if ever

While enjoying the fireworks show for the West Lake Expo, ________．

my mobile rang

my mobile rings

I heard my mobile ringing

I heard my mobile rings

All the pressure ________ and finally it was more than he could stand．

built up

rose up

came about

set about

Was it in October, 2010, if I may ask, ________ the new Shanghai-Hangzhou Express Railway was put into use?

that

when

which

how

On the sea near Diaoyu Island, ________ Chinese fishing boat was stopped by the Japanese and ________ sailors were arrested illegally．

a; the

the; the

a; 不填

the; 不填

She knows so much about England．She ________ there before．

must be

must live

must have been

must have lived in

Only after ________ did people know it was not an accident, but an attack of some kind．

the second tower of the World Trade Centre was hit

did the second tower of the World Trade Centre fall zxxk

was the second tower of the World Trade Centre hit

the second tower of the World Trade Centre was fallen

The lawyer was so kind that he devoted all his spare time he had ________ the disabled．

to helping

helped

helping

to help