You must pay attention to your handwriting _________ everybody can understand what you have written.

        A) so           B) so…that     C) because      D) so that

A large number of people have joined the clean Your Plate Campaign(“光盘行动”) to help _________ food waste.

        A) reduce           B) replace      C) release      D) remove

 A lot of flights were _______ because of the smog(雾霾)last month.

        A) put down     B) put up           C) put off      D) put out

Last week our geography teacher told us _______ more information about how to protect the environment.

        A) to get           B) got          C) get          D) getting

We _______ turn off the lights before we leave the classroom.

        A) must         B) can          C) may          D) need

 Eat more in the morning, _______ you’ll get hungry soon.

        A) and          B) but          C) or           D) yet

________ important thing it is to do eye exercises every day!

        A) What         B) What a       C) How          D) What an

 Love will ________ last (延续) if we love the whole fine things around us.

        A) seldom       B) always       C) never        D) sometimes

 Nowadays, PM 2.5 pollution is becoming _________ in China. Everyone must help to fight against it.

        A) seriouser and seriouser          B) more and more serious

        C) more serious and more serious    D) more serious and serious

 The dish smells ________ and you’d better throw it away.

        A) badly            B) well         C) good         D) bad