36.床上放着一条裤子
Chuáng shang fàngzhe yì tiáo kùzi
There is a pair of pants on the bed
37.爬山的时候要小心点儿
Páshān de shíhou yào xiǎoxīn diǎnr
Be careful when climbing mountains
38.我记得他穿了一件白衬衫
Wǒ jìdé tā chuān le yí jiàn bái chènshān
I remember he was wearing a white shirt
39.你想喝红茶还是绿茶
Nǐ xiǎng hē hóngchá háishì lǜchá
Do you want to drink black tea or green tea
40.我不知道他想买裤子还是衬衫
Wǒ bù zhīdào tā xiǎng mǎi kùzi háishì chènshān
I don't know if he wants to buy trousers or shirts