On their arrival you should ______the following

We should _________ （告知)you of the date of the delegation’s arrival．

When checking the liquid level in a tank, you should position yourself _____.A.on the wind

______ you ______ any doubt on the delivery receipt, contact us at 4008 9666.A．Should; hav

You should try to ____conversation with the person on your right or left, but you sh

To deal with the person called wrecker, you should do all of the following EXCEPT ______.A

You should respect others opinions, and at the same time you should insist on______ you be