A.banker
B.reporter
C.doctor
D.writer
第1题:
A. is, say
B. is, said
C. did, say
D. does, say
第2题:
DDC的控制信号,即输出信号的缩写,通常有( )。
A.AO和AI
B.DO和DI
C.AI和DI
D.DO和AO
第3题:
第4题:
A. is
B. are
C. will
D. did
第5题:
What( )wrong with you
A.is
B.are
C.have
D.did
第6题:
You look() What()you()?
Atire;did;do
Btiring;have;done
Ctired;do;do
Dtired;have;been doing