Trong trường hợp a=0
HELP ME
1.A lot of trains ... late today due to the heavy storms.
a. are runb. runc. are running
2.
Choose the best word or phrase to complete the sentence.... was a strong wind last night.
a. Thereb. Herec. This
3.
Choose the best word or phrase to complete the sentence.Firstly, I want to congratulate you all. Secondly, I would like to wish you good luck and ... I hope you have enjoyed the course.
a. in the endb. at lastc. finally
4.
Choose the best word or phrase to complete the sentence.You ... clean your teeth twice a day to avoid having problems.
a. canb. shouldc. will
CHO RI CẢM ƠN TRƯỚC NHEN