_________ in recent years that it has almost become the rule．

So often for this to happen

So often is this happened

So often this has happened

So often has this happened

Nowhere in the city _________ such beautiful parks in London．

do I see

have I seen

I see

I have seen

_________ she would not have been met with the accident．

Linda had been more careful

Had Linda been more careful

If Linda were more careful

Linda was more careful

Hardly _________ when the bus suddenly pulled away．

had they got to the bus stop

did they get to the bus stop

they got to the bus stop

they had got to the bus stop

At no time, neither today nor in the future, _________ a superpower．

will China never be

China will be

China should be

will China be

Not only _________ be interesting to us, but also its English will help us in composition．

the novel is

is the novel

will the novel

the novel will

Seldom _________ any mistakes during my past five years of service here．

did I make

should I make

I did make

would I make

Against the wall on the opposite side _________．

stand two cupboards

there two cupboards stand

two cupboards stand there

there stand two cupboards

Only by reading extensively _________ your horizons of knowledge．

so you can widen

you may widen

can you widen

you will widen

_________ the serious consequences of the accident．

Ever she realized

Never she realized

Little did she realize

Nothing did she realize