单项选择题
A．buying B．to buy C．to buying D．buy
We () you that shipment for your order No. 108 will be ...
单项选择题We () you that shipment for your order No. 108 will be effected within November.
A．ensure B．insure C．assure D．sure
If it is agreeable to you, we will () Type 102 for Type...
单项选择题If it is agreeable to you, we will () Type 102 for Type 101.
A．replace B． substitute C．supersede D．be substituted
We enclose our invoice amounting to 43,000, () the firs...
单项选择题We enclose our invoice amounting to 43,000, () the first consignment shipped per s.s. Peace.
A．comprising B．including C．covering D．paying
