My teacher is forty . he looks young . A. Does B. But C. And
Most everything in this world ____________ air and sunlight. A. need B. needs C. needes
Most trees lose their ____________ leaves in fall. A. green B. yellow C. red
Do you know the name ____________ each part? A. for B. of C. at
Please write ____________ down. A. they B. its C. it
选择正确的一项,补全单词。 __ fter A. o B. e C. a