A、have canceled
B、has to cancel
C、must cancel
D、had to cancel
第1题:
He ________ up at five yesterday morning
A.gets
B.got
C.getting
D.get
第2题:
A、his’
B、his
C、he’s
D、he
第3题:
A.couldn’t
B.couldn’t have
C.mightn’t have
D.shouldn’t have
第4题:
第5题:
A.CCCH_CONF
B.S_G_LK_RES
C.BS_P_MFRMS
D.ROUN_TRIP_ELY
第6题:
A、oughtn't to leave
B、needn't have left
C、needn’t leave
D、couldn’t leave
第7题:
49________.
A.couldn’t
B.mustn’t
C.needn’t
D.won’t
第8题:
A.must have
B.couldn't have
C.ought to have
D.shouldn't have
第9题:
You are signing on a deck officer,who will be designated as one of the GMDSS operators,before sailing foreign.Which statement is TRUE ________.
A.He/she must have an STCW certificate endorsed as“Valid for Service on Vessels Operating in the GMDSS System”
B.He/she must present either an FCC-issued license or a Coast Guard-issued license
C.You must consult the“List of Qualifications”on the reverse of his/her FCC-issued license
D.His/her Merchant Mariners Document must have an added endorsement as “Radio Electronics Officer”
第10题:
5、鼻爆破只可能出现在成音节中,例如:couldn't,wouldn't,hadn’t。