The situation in the Middle East is so ______ that we have to be ______ when dealing with the hostage issue. [ ]

My grandfather usually_______ his glasses before he does some reading.

With the development of science and technology , more new technology____ to the fields of IT

inese cargo ships, the HuaPing and Yu Xing 8 were attacked by _____________ armed people on the MekongRiver on Oct.5.

She is usually _______. Why didshe get ill so suddenly?