A、has been
B、would have been
C、had been
D、was
第1题:
A、are…being
B、is…being
C、has…been
D、have…been
第2题:
He()lunch in the canteen right now.
A. has
B. is having
C. have
第3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4题:
A、his’
B、his
C、he’s
D、he
第5题:
____________prevent a lot of radiation damage
[A] get
[B] make
[C] have
[D] do
是完型填空吧?你要把整篇都传上来这样片面的截句无法给出答案。
第6题: