Doing your homework is a sure way to improve your test scores, and this isespecially true ________ it comes to classroom tests.

A) fruitful

B) beneficial

C) valid

D) effective

A) from

B) in

C) before

D) into

A) neither

B) so

C) either

D) both

A.flat B.coined C.bored D.manufactured

A) by which B) to which C) in that D) so that

A) that B) which C) in which D) whose

A) which B) what C) that D) one

A) must be sent B) will be sent C) are sent D) be sent

A) have realized B) should realize C) realize D) realized