giải thích giúp em tại sao lại chọn đáp án in đậm mà lại không chọn đáp án khác ạ

1.  My brother has trained as a professional gamer  _____   he graduated from high school.

        A. when                      B. while                      C. since

2.  I have to work _____   the best way to shoot an episode.

       A. for             B. off                     C. out

3.  Hurry up! We only have ________  time left before the teacher leaves.

         A. a little           B. a few                 C. a lot of                    D. much

4.  Eating out is very costly in district 1! There aren’t   _____  cheap restaurants.

A. some    B. much           C. any     D. a little

giải thích đáp án giúp em bài này với ạ

1.  My brother has trained as a professional gamer  _____   he graduated from high school.

        A. when                      B. while                      C. since

2.  I have to work _____   the best way to shoot an episode.

       A. for             B. off                     C. out

3.  Hurry up! We only have ________  time left before the teacher leaves.

         A. a little           B. a few                 C. a lot of                    D. much

4.  Eating out is very costly in district 1! There aren’t   _____  cheap restaurants.

A. some    B. much           C. any     D. a little

giải thích đáp án giúp em với ạ

1.  The first European coffee house.................... n Venice in 1645.

A. has opened                        B. was opened                        C. was opening

2.  She asked if he.................. engineering at university.

A. studies                               B. had studied                        C. studying

mn giải thích lý do vì sao chọn đáp án giúp em với ạ. em cảm ơn mn nhiều lắm ạ

1. Which word has a different stress pattern from that of the others?

A. decide               B. educate          C. supply              D. provide

A. garbage             B. problem         C. solution            D. sewage

A. typhoon            B. volcano          C. tornado            D. earthquake

A. occur                 B. festival          C. distinguish       D. describe

2. Mark the letter A,B,C or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions.

A. reduce           B. empty              C. factory           D. glassware

A. special          B. computer          C. serious          D. memory

3. Find the word that differs from the other three in the position of primary stress:

A. necessity          B. efficiency          C. refrigerator          D. deforestation

A. pollution          B. electric              C. pesticide              D. consumer

giải thích giúp em sao lại là đáp án đó vậy ạ

1.  The first European coffee house.................... in Venice in 1645.

A. has opened                        B. was opened                        C. was opening

2.  She asked if he.................. engineering at university.

A. studies                               B. had studied                        C. studying

giải thích đáp án giúp em với ạ

1.  After following his instructor’s guidance, he _____   great progress last year.

A.    did                         B. made                    C. played                          D. Went

1.  It is so difficult for someone _____  a percussion instrument professionally.

A.    to hear                   B. to do                         C. to play                       D. to go

giải thích đáp án giúp em với ạ

1.  Yesterday, I met _______   one-eyed man.

A.    an                      B. a                      C. the                                   D. f

2.  Please take a seat here! The director will be back in  ________ hour.

A.    an                          B. a                         C. the                     D. f