用throw away, throw sb. back on sth., throw in, throw off, throw up填空

(1)I don't need that--you can ________.

(2)There was no TV so we ________ our own resources.

(3)You can have the piano for $200, and I'll ________ the stool（琴凳）.

(4)I can't always ________ my cold.

(5)The baby has ________ her dinner.

用throw away, throw sb. back on sth., throw in, throw off, throw up填空

(1)I don't need that--you can ________.

(2)There was no TV so we ________ our own resources.

(3)You can have the piano for $200, and I'll ________ the stool（琴凳）.

(4)I can't always ________ my cold.

(5)The baby has ________ her dinner.

If we throw away too much waste and can’t keep good ecosystem,we _________ our future.

A.must have destroyed          B.could be destroying ?

C.may be destroying             D.must destroy ?

If we throw away too much waste and can’t keep good ecosystem，we______our future.

A.must have destroyed                       B.could be destroying

C.may be destroying                          D.must destroy

Don't throw away the old books．Give them to ____needs them．