____his age, he couldn’t have painted the pictures all by himself.
A. To consider
B. Considered
C. Being considered
D. Considering
第1题:
A、his’
B、his
C、he’s
D、he
第2题:
A.All that...has
B.All that...have
C.All...has
D.All...have
第3题:
A.couldn’t
B.couldn’t have
C.mightn’t have
D.shouldn’t have
第4题:
第5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6题:
He()lunch in the canteen right now.
A. has
B. is having
C. have
第7题:
A. USER_CONSTRAINTS
B. USER_OBJECTS
C. ALL_CONSTRAINTS
D. USER_CONS_COLUMNS
E. USER_COLUMNS
第8题:
A、oughtn't to leave
B、needn't have left
C、needn’t leave
D、couldn’t leave
第9题:
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。