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Exercise 1: Choose the correct answers.

      1.   If we ________ an invitation, our friends ________ to our party.

            A. will send; will come                                   B. send; will come

            C. will send; come                                          D. send; come

      2.   He ________ you if you ________.

            A. will not understand; will whisper              B. does not understand; will whisper

            C. does not understand; whisper                     D. will not understand; whisper

      3.   They ________ in the desert if they ________ extra water with them.

            A. will not survive; do not take                      B. will not survive; will not take

            C. do not survive; do not take                         D. do not survive; will not take

      4.   If you ________ CTRL + s, you ________ the file.

            A. will press; will save                                   B. press; save

            C. press; will save                                           D. will press; save

      5.   You ________ the Channel if you ________ from Paris to London.

            A. cross; fly                                                    B. will cross; will fly

            C. cross; will fly                                             D. will cross; fly

      6.   Fred ________ the phone if his wife ________ a bath.

            A. answer; has                                                 B. will answer; has

            C. will answer; will have                                D. answer; will have

      7.   If Claire ________ this dress at the party, our guests ________ any longer.

            A. wears; will not stay                                    B. wears; do not stay

            C. will wear; will not stay                              D. will wear; do not stay

      8.   If I ________ this snake, my girlfriend ________.

            A. touch; does not scream                               B. will touch; does not scream

            C. will touch; will not scream                         D. touch; will not scream

      9.   She ________ to pick you up if you ________ her.

            A. forgets; do not phone                                 B. will forget; will not phone

            C. will forget; do not phone                            D. forgets; will not phone

      10. I ________ you if you ________ me a photo.

            A. will remember; give                                   B. remember; will give

            C. will remember; will give                            D. remember; give