Despite the fact that all three teams ________ different approaches to the problem, they were all immediate successes．

acquired

adapted

achieved

adopted

Thank you for all your hard work last week．I don't think we ________ it without you．

can manage

could have managed

could manage

can have managed

The first decade in the 21st century ________ the rapid rise of China as a world economic power．

witness

has witnessed

will witness

have witnessed

Those who suffer from heart trouble will find they get ________ from this medicine．

defense

safety

shelter

relief

________ many times, but he still didn't understand it．

Having been told

Though he was told

To have been told

He was told

That was a very busy street that I was never allowed to cross ________ accompanied by an adult．

when

if

unless

where

The hostess was friendly and the food was delicious．________, the party was very pleasant．

After all

Above all

In all

All in all

No one really knows exactly when the first people arrived in ________ we now know as California．

which

where

what

that

It's unlikely that either runner is able to ________ this quick pace．

keep on

keep off

keep up

keep down

Andres is the only boy of the after-school program, ________ students learn to cook and are taught to eat healthy．

that

which

whose

where