A when B once C while D whereas
When she heard the shot, she dashed there at once _______ to find a baby elephant shot dead.A. justB. onlyC. thenD. about
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He was 22 when he slipped while _______ and fell 50 feet.A.climbB.climbedC.climbingD.to climb
When steering by autopilot, how often should_______steering be checked?A.every dayB.when time allowsC.At least once a watchD.No checking is necessary
____,the bus started at once.A、The signal was givenB、The signal givingC、The signal givenD、When the signal given
[A] why[B] when[C] while[D] where
[A] but [B] whereas [C] though [D] while
____________A. Once B. Before C. Unless D. While