问题

ceremony, the president delivered a thank-you speech ______ the company.

A:on account of
B:in charge of
C:on behalf of
D:in terms of;

正确答案是：

同类题型

She smiles often and never says _______bad word about anyone.

下面加点字的用法不同于其他三项的是

. If _____ to look after luggage for someone else, inform the police at once.

While I __________to the English programes, mother _______outside.

She must face up to _______ she is nolonger young.