Iknowitisn’timportantbutIcan’thelp(think)______aboutit.

Iknowitisn'timportantbutIcan'thelp（）aboutit. A: buttothink B: thinking C: to  D: think

Hermothercouldn'thelp():"What'stennis?" A: asking B: ask C: asked D: asks

When they arrive at the airport, the tour guide can find ________ to thelp with the luggage. A: the tour leader B: the porter C: the bus driver D: the airpirt officer

Icouldn’thelp<spanstyle="text-decoration:underline;">tolaugh</span><spanstyle="text-decoration:underline;">when</span>Isawthelittleboy<spanstyle="text-decoration:underline;">in</span><spanstyle="text-decoration:underline;">hisfather’sovercoat</span>. A: tolaugh B: when C: in D: hisfather’sovercoat