25, C . where (“where did this strange name come from?”: cái tên kỳ lạ này đến từ đâu?)
26, C - but
27, B – between
28, A - while => While: trong khi.
29, A. to => Give a name to sth: đặt tên ai cho cái gì.
30, Many old temples were constructed last year.
31, The visitors are interested in taking photos around Sword Lake.
32, He has collected stamps for five years.
33, You had better study the lesson carefully for the exams.
34, How much coffee have you drunk today?
35, If Jane is lucky, she will become the champion this year.
36, Money is not kept in their house by them.
37, Ann has made model for 12 years.
38, Jane has learnt Russian since 2012.
39, We have studied for the exam since last month.
40, He had better see the doctor once a year.