THE PROBLEM FACING MOST TOURISTS IS _____ AMONG SO MANY POSSIBILITIES....

Câu 30: The problem facing most tourists is _____ among so many possibilities.A. what they should see B. should they see whatC. what should they see D. they should see whatIV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each sentence bycircling the corresponding letter A, B, C, or D.