精品一区二区免费在线观看_国产精品久久久久久av福利软件_97成人精品区在线播放_国内成人精品一区

【題目】The students are discussing ________.

【題目】We ________ throw rubbish into the river. The fish will die if the river is polluted.

【題目】The fleet travelled ______ to reach even the east coast of Africa.

【題目】We talked about the problem and Tim suggested ________ some research first.

【題目】My computer is ________, so I will have to buy a new one.

【題目】Doctors warn people to avoid ________ sun this summer.

【題目】Body language is your gesture and the ________ on your face.

【題目】The plan was discussed in ________ international meeting.

【題目】This restaurant ________ people ________ delicious food.

【題目】—How would your family like to travel?