37. Our government issues a travel __________ when they want us to
consider very carefully whether we should go at all to a country where
risk and danger exist.
(A)ticket
(B) voucher
(C) warning
(D) vent
答案:登入後查看
統計: A(11), B(25), C(180), D(4), E(0) #1564476
統計: A(11), B(25), C(180), D(4), E(0) #1564476