16.______ busy he is,he always finds some time to read every day.

A.No matter what B.No matter how

C.No matter when D.No matter where

17.Look,______.

A.there he goes B.there goes he

C.he goes there D.he there goes

18.I don’t mind ______ by bus,but I hate standing in queues.

A.to travel B.traveling

C.travel D.having traveled

19.______ my parents could understand me!

A.Not only B.As to

C.As if D.If only

20.The tourists went ______ far that they got lost.

A.too B.such

C.very D.so