I ________ sooner but I didn’t know that they were waiting for me．

had come

was coming

would come

would have come

________ is known to us all is that the 2012 Olympic Games will take place in London．

As

What

That

It

Was it because of the heavy snowstorm in Europe ________ the flight had to be put off?

which

so

why

that

In no place of China ________ little about the economic development nowadays．

the local government cares

does the local government care

doesn’t the local government care

cares the local government

Tsinghua University, ________ in 1911, is home to a great number of outstanding figures．

found

founding

founded

to be founded

In that school, English is compulsory for all students, but French and Russian are ________．

special

regional

optional

original

In communication, a smile is usually ________ strong sign of a friendly and ________ open attitude．

the;/

a; an

a;/

the; an

At the evening party the host said _________ was able to solve the riddle could get a nice present as a reward．

whoever

who

no matter who

whomever

Hardly _________ to the airport _________ he was surrounded by many journalists and fans．

the famous singer had got;" when

the famous singer got; then

had the famous singer got; when

did the famous singer get; then

Thanks to the measures _________ by the local government, the polluted river is becoming clearer and clearer and fish have begun to show up in it．

taking

taken

to take

having taken