39. Travelers who ____ in Taiwan are advised to voluntarily inform the officer if symptoms such as fever and
cough develop.
(A) arrive
(B) arrives
(C) arriving
(D) to arrive
答案:登入後查看
統計: A(771), B(229), C(426), D(20), E(0) #2797485
統計: A(771), B(229), C(426), D(20), E(0) #2797485
