—Kathy and her sister are so alike.—I can’t tell one from ____.
Ellen was painter of birds and of nature,_______ ,for some reason, had withdraw from all human society.
We live in an age______ more Information available with greater ease than ever before.A.whyB.whenC.to whom D on which
It’s wise of you to________ smoking before you feel unwell.
He found it increasingly difficult to read, ______his eyesight was beginning to fail.
Bill was doing a lot of physical exercise to build his_______.