Lin Tao， a student of Grade 9， is ________ boy in our school． （ ）
A．tallB．taller
C．the tallest
﹣Mum ，I've got the first prize in the speech competition．
﹣_____， my boy! （ ）
A．Well doneB．My pleasure
C．Good luckD．It's hard to say
﹣ It's said that shopping online is safe．
﹣ ____．You'd better be careful．（ ）
A．I agreeB．That depends
C．I think soD．No problem
The weatherman says a rain shower ____ this afternoon in the south．（ ）
A．expectsB．expected
C．is expectedD．was expected
Yuan Longping is ____ regarded as the greatest scientist in rice planting．（ ）
A．suddenlyB．patientlyC．hardlyD．generally
Little Jack has learned to do lots of things on his own， ____ he is only four years old．（ ）
A．ifB．thoughC．forD．since