A.of great expense
B.at a great expense
C.in a lot of expenses
D.by high expense
第1题:
A. paints
B. has painted
C. had painted
D. painted
第2题:
The discharge flow of a reciprocating pump is ______.
A.steady
B.in pulsation
C.continuous
D.large
第3题:
第4题:
We( )the bathroom and plan( )the bedroom this year.
A. painted…to paint
B. is painting… painting
C. paint… to paint
D. have painted…to paint
第5题:
第6题:
The number of students of this school()large.
Aare
Bare not
Cisn't
Daren't