C. great
sophisticated communication systems of any insect.
B, simple
C. complex
We can now communicate instantly with people on the other side of the world.
A. sooner
B. immediately
C. later
Exercise 7. Choose the correct option.
1. They are from Hai Phong (where/ which) is a large city.
2. I have just visited the village (which/ where) I grew up.
3. Do you see that bird (where/ that) is singing on the tree?
D. amazing
D. advanced
D. now
4. Today will be a day (when/ why) good things happen to us.
5. Their first European cup is the reason (why/ whose) they must celebrate.
6. Do you know the man (who/ which) walked the dog in front of my house?
7. That's the woman to (whom/ which) I had submitted my application.
8. Let's go to the park (which/ where) there are lots of space to play shuttlecock.
9. This is the busiest online store (which/ that) I usually buy sale-off items.
10. The writer, the first of (who/ whose) books is a bestseller, used to be a teacher.
Exercise 8. Fill in the blanks with who, which, where or whose.
failed the E
1. That's the student
2. Is that the hoy