When my father home from work yesterday, we ____our homework.
A. came / did
B. was coming / did
C. was coming / were doing
D. came / were doing
Đáp án đúng: D
Giải thích: Thì quá khứ tiếp diễn diễn tả 1 hành động đang xảy ra ở quá khứ thì có hành động khác chen ngang vào
Dịch: Khi bố tôi đi làm về ngày hôm qua, chúng tôi đang làm bài tập về nhà.
The river is badly polluted with toxic chemicals from that factory.
Many ethnic groups find it important to their own language or their culture.
Scientists are becoming more and more concerned about how to waste safely.
Demonstrations were held as a gesture of solidarity with the hunger strikers.
Many people think that social networking is good for several reasons. It is a fast and efficient way of communication that helps people to keep in touch with friends and families by sharing photos and using various (13) such as instant messaging. It has become the preferred way of interaction for young people because of its speed, convenience, and wide range of functions. People who want to see the person they are talking to online can easily do that by using a video chat app. Those who want to learn a new language like social networking because they can be exposed to authentic language, use and connect with native speakers online. People who want to (14) their thought and opinions, and share information with their friends or followers can do that via either microblogging or taking part in online discussion (15) . Those who want to relax and escape (16) reality can access a huge store of online games, music and videos in different genres.
Cindy: "Would you mind lending me a hand with my luggage?" - Nancy: " "