He didn’t go out to play ( ) he had finished his homework.
A、until
B、if
C、since
D、but
第1题:
A.don’t go; until
B.didn’t go; after
C.went; until
D.didn’t go; till
第2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3题:
第4题:
4. The meeting ______ begin ______ the last man came.
A. didn’t ;until
B. not; until
C. doesn’t; until
D. will; until
第5题: