—I just can’t stop worrying about the result of the English examination.—___________.There’s nothing you can do but wait..
. This old computer must have been of great use to ____________ did the scientific research.
. .It was _______ he said that _______ me feeling frustrated.
. __________I am amazed at is__________she wants to find fault with others all the time.
. —Is it OK if I have another cup of coffee? —Of course, _______.
. A terrible accident _______,however, occur the other day and we caught sight of it _______ accident.