【C19】A．soB．butC．asD．for

【C9】A．soB．whenC．asD．whereas

【23】A．SoB．ButC．OtherwiseD．Even

Ms. Silva sent the memo ______ it had been approved.A．soB．butC．afterD．until

【C16】A．for exampleB．for instanceC．such asD．about

【C19】A．actonB．act outC．act asD．act up

A．for exampleB．as forC．such asD．as to