There is no doubt our educational system leaves something to be desired．
A.what B.whether C.if D.that
Before writing your answer, please give careful __ to the question．
A.consideration B.translation C.examination D.expression
Helping others is a habit, you can learn even at an early age
A.it B.which C.what D．that
—How much do I owe you for lunch?
— .It ' s nothing．
A.You're welcome B.Not at all C.Forget it D.That's right
Correct the errors in the following sentences, if .
A．not B.necessary C.any D．ever
It was ________ fun to play on the beach that it attracted countless children.
A.so great B.such great C.such a great D.so great a
