诸位高手试着做一下下面三道题，然后给出详细的解释。
For questions 1 to 3, choose the most suitable word to be inserted ino the
second bracket based on the first example given in each question.
1. ARAB (TIDE) SIGH
SQUAB ( ) LAUGH
(1) RUDE (2) TIDAL (3) BLADE (4) TIDIER
2. ANTI (BOAR) CABS
AHOY ( ) CALF
(1) BOAT (2) BIKE (3) BUOY (4) BORE
3. ARDENT (RAIN) NINETY
OPPRESSION ( ) TRAPPINGS
(1) PORT (2) RADICALS (3) APES (4) RAPPORT
