Câu 1:
We will send these letters to him when we …. in London.
Câu 2:
“Where are the letter and the postcard?” They …… on the table.
Câu 3:
………. each of you ready for the test?
Câu 4:
The World War II …… in 1939 and …… in 1945.
Câu 5:
We …… a lot important scientific discoveries in 2050.
Câu 6:
We ……... for our cars.
Câu 7:
What is your purpose ……….. learning English?
Câu 8:
There are more and more people died …… AIDS.
Câu 9:
Tobacco has bad effects ……… our health.