Stacy often goes shopping at the mall for please.

                   A              B                       C             D

It was such a difficult homework that it took me two hours to finish it.

            A          B                                  C                                           D

The teacher asked him why hadn't he done his homework, but he said nothing.

                                              A              B                                     C              D

In my opinion, physics are one of the most difficult subjects at school.

    A                                    B                      C                      D

Although his family is poor, but he studies very well.

                                       A            B           C               D

I often look into new words in the dictionary whenever I don't know their meanings.

                   A                        B                                C                              D

There were over 50 competitions in the fashion contest last year.

                    A                         B                         C                  D

Even on the most careful prepared trip, problems will sometimes develop.

         A                            B                     C                                       D