(2012·北京高考)________ with care, one tin will last for six weeks.
A．Use B．Using
C．Used D．To use
(2013·湖南高考)Every day ________ a proverb aloud several times until you have it memorized.
A．read B．reading
C．to read D．reads
(2013·青岛一模)All flights ________ owing to the heavy fog, many passengers could do nothing but take trains.
A．to be cancelled B．were cancelled
C．have been cancelled D．having been cancelled
(2013·山东济南二模)The poem A Red, Red Rose written by Robert Burns is popular with the Chinese young people, because the poem is easy ________.
A．to be understood B．to understand
C．understand D．understanding
(2011·天津高考)Passengers are permitted______ only one piece of hand luggage onto the plane.
A．to carry B．carrying
C．to be carried D．being carried
(2011·浙江高考)Bats are surprisingly longlived creatures, some______ a life span of around 20 years.
A．having B．had
C．have D．to have
