What keeps Grimsvotn still?
A. The slow flow of water
B. The low water temperature
C. The thick glacier
D. The water pressure
第1题:
42________
A.help
B.exicult
C.rest
D.water
第2题:
He gets these flowers _____ every day.
A、watered
B、to water
C、watering
D、water
第3题:
A.24
B.21
C.12
D.13
第4题:
43________
.A.necess
B.gas
C.rest
D.water
第5题:
A. a
B. the
C. an
D. /
第6题:
Such problem ()air, water, and noise pollutions are becoming more and more serious in some big cities.
Alike
Bas
Cof
Dabout