Iknowitisn’timportantbutIcan’thelp________aboutit.
A、buttothinkIknowitisn’timportantbutIcan’thelp________aboutit.
A great number of small power stations ________ (set up) in their county since liberation.
he teacher told them since light ________ (travel) faster than sound,lightning ________ (appear) to go before thunder.
________ (catch) in the rain, he was wet to the skin.
Ihavebeenstudyinghereforfouryears,bynextsummerI________.
