Results 1 to 2 of 2
  1. Volcano1985's Avatar
    • Member Info
      • Native Language:
      • Turkish
      • Home Country:
      • Turkey
      • Current Location:
      • Turkey

    • Join Date: Jul 2006
    • Posts: 928
    #1

    I have witnessed at close range the problems scientists

    I have witnessed at close range the problems scientists ............. when they ............. to examine phenomena as elusive as language and idea formation.

    A) were encountering / were trying
    B) are encountering / have tried
    C) have encountered / were tried
    D) encounter / try
    E) will encounter / are going to try


    I thought A, but the key is C, could you explain me?

  2. Soup's Avatar
    VIP Member
    English Teacher
    • Member Info
      • Native Language:
      • English
      • Home Country:
      • Canada
      • Current Location:
      • China

    • Join Date: Sep 2007
    • Posts: 5,882
    #2

    Re: I have witnessed at close range the problems scientists

    According to this site (Click), the key is B).

Similar Threads

  1. Open Range
    By Bushwhacker in forum Ask a Teacher
    Replies: 3
    Last Post: 02-Oct-2009, 08:14
  2. problems of vs problems in
    By kiranlegend in forum Ask a Teacher
    Replies: 5
    Last Post: 18-Jan-2009, 20:25
  3. Help me with this essay about problems caused by teachnology and science
    By linhtho0211 in forum Editing & Writing Topics
    Replies: 0
    Last Post: 07-Jan-2009, 16:12
  4. at close range
    By XINLAI-UE in forum Ask a Teacher
    Replies: 1
    Last Post: 05-Sep-2008, 00:46
  5. up close
    By brend10 in forum Ask a Teacher
    Replies: 4
    Last Post: 19-Jan-2008, 16:17

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •