The woman scientist had such a hard time ________ she visited the countries in Africa last year．

A．when

B．that

C．which

D．as

On March 5 ^th, Chinese President Hu Jintao ________ Russian Prime Minister Putin on his election to the country's presidency．

A．celebrated

B．observed

C．congratulated

D．reminded

Having been out of touch with his parents for two years, Jones returned home, ________．

A．safely and soundly

B．safely and sound

C．safe and soundly

D．safe and sound

It's usually warm in my hometown in April, but it ________ be rather cold sometimes．

A．must

B．can

C．should

D．would

The British people believe that the 2012 London Olympics ________ from July 27 ^th to August 12 ^th will be another great success．

A．held

B．holding

C．to be held

D．being held

All these changes will lead to ________ stronger and more powerful China, ________ country that can surprise and enrich our planet．

A．a; a

B．a; the

C．the; a

D．the; the

The old lady, all of ________ children had been killed in the earthquake, was given help by the local government．

A．her

B．whom

C．whose

D．which

Interest, as well as skills, ________ important when one looks for a job．

A．is

B．are

C．has

D．have

Meeting my old classmates at the 66 th anniversary celebration of our school was an unforgettable moment, ________ I will always treasure．

A．that

B．one

C．it

D．what

We will show you around the city ________ you like．

A．wherever

B．however

C．whenever

D．whatever