A、 a bit
B、 a little of
C、 a bit of
D、 a few
第1题:
A. a
B. the
C. an
D. /
第2题:
第3题:
Of the following sound combinations, only () is permissible according to the sequential rules in English.
Akibl
Bbkil
Cilkb
Dilbk
第4题:
A.RCO1only.
B.DB01only.
C.DB02only.
D.DB01andDB02only.
E.DB01,DB02,andRC01.
第5题:
第6题:
Such problem ()air, water, and noise pollutions are becoming more and more serious in some big cities.
Alike
Bas
Cof
Dabout