The ozone layer plays as great a role in the stability of spaceship Earth as ______ the wa

If only I ______ play the guitar as well as you!A．wouldB．couldC．shouldD．might

The background music as mentioned in the dialogue is______.A．such music as is played by or

A．To show the key role played by air traffic controllers.B．To show the great responsib

A．To show the key role played by air traffic controllers.B．To show the great responsib

The conference wash hailed as a great succ

The conference was hailed as a great succe