All bus drivers must () their passengers'safety. A、be responsible forB、be careful ofC、be capable ofD、be strive for
All bus drivers must () their passengers'safety.
A、be responsible for
B、be careful of
C、be capable of
D、be strive for
相关考题：
9． _______you _______ stay at home today?A． Do ; have toB． Must; have toC． Have; toD． Do ; must
23． The underlined word "them" in the last paragraph refers to _________ ．A． oxygen masksB． doctorsC． oxygenD． passengers
---- Look! The man at the gate ________ be our headmaster. He is always standing there every morning.--- - No, it ________ be him. He is holding a meeting in the office now.A.must, can’t B.must, mustn’t C.can’t, can’t D.can’t, mustn’t
3．—__________ 1 go out for a while?—No，you __________ You must finish your homework first．A． Must，needn'tB． Can，mayC． May，mustn'tD． May，must
We learn from the passage that__________A．the passengers will have a night flightB．they will have, meals during the flightC．the plane is going to fly across a seaD．the plane provides excellent service to its，passengers
It ______ be quite cold in winter eventhough the city is in Hainan Province.A.shall B.shouldC.can D.must
已知wire [31:0] bus;则下列说法真确的是 。A．bus [31]是bus的最高有效位B．bus [0]是bus的最高有效位C．bus [31]是bus的最低有效位D．bus [0]是bus的最低有效位