外貿(mào)函電單項選擇題每日一練(2019.07.15)

來源：考試資料網(wǎng)

1 While （） an enquiry, you ought to enquire into quality specification and price etc.

2 If you will send us a catalog by air,we shall（）very much.

3 We（）some brochurs（）to illustrate the procucts we manufactured.