⑴a river {#blank#}1{#/blank#}             A.

⑵some trees {#blank#}2{#/blank#}        B.

⑶go boating {#blank#}3{#/blank#}        C.

⑷a bridge {#blank#}4{#/blank#}          D.

⑸tall buildings {#blank#}5{#/blank#}      E.

⑴—Stand up, please.

— Ok.{#blank#}1{#/blank#}                                A.

⑵—Open the window.

—Ok.{#blank#}2{#/blank#}                                B.

⑶—Sit down, please.

—Ok.{#blank#}3{#/blank#}                                C.

⑴She is having maths class.{#blank#}1{#/blank#}              A.

⑵The girl is drawing cartoons. {#blank#}2{#/blank#}          B.

⑶Here's your letter. {#blank#}3{#/blank#}                    C.

⑷The panda likes bamboo. {#blank#}4{#/blank#}              D.

⑸Look! They can make a snowman. {#blank#}5{#/blank#}      E.