anguage can a lot about your mood, so standing with your arms folded can send out a signal that you are being defensive.

下列词语中，加横线的字读音全都正确的一组是（ ）

1I’m new here. Could youplease tell me ________

We believe the time and hard work _______ in completing such an important project are worthwhile.

Look before you leap! You have to ______the costs of the new system against the benefits it will bring.