Ten dayslong enough for Mr Carter to finish his design. He doesn’t need any more.()
A. is
B. has been
C. was
D. had been
He’s found his pen,______he?A.isn’tB.wasn’tC.doesn’tD.hasn’t
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3．Jack _______like baseball ________volleyball．A． don't ; orB． doesn't ; orC．don't ;andD．doesn't ;and
I must have thrown away ( ) by mistake.A、his’B、hisC、he’sD、he
There are ______ books in your bag. But there aren’t ______ pens in it.A、some, someB、any ,someC、some, anyD、any,any
A: Should I take some medicine? B: No, you don't ( )to take any medicine.A. shouldB. mustC. need
He seldom does his homework at school on weekdays,( )he?A. doesn'tB. isn'tC. doesD. is
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 licenseC.You must consult the“List of Qualifications”on the reverse of his/her FCC-issued licenseD.His/her Merchant Mariners Document must have an added endorsement as “Radio Electronics Officer”
