A. in
B. out
C. at
D. from
第1题:
Radar reflectors are required for ______.
A.all fishing vessels over 39 feet in length
B.sail-propelled fishing vessels
C.all fishing vessels of less than 200 GT
D.wooden hull fishing vessels with a poor radar echo
第2题:
-- Ann is in hospital.
-- Oh, really? I __ know. I __ go and visit her.
A. didn’t; am going to B. don’t; would
C. don’t; will D. didn't; will
第3题:
第4题:
A.don’t … at
B.didn’t … at
C.didn’t … in
D.don’t ...in
第5题:
第6题: