He made _____ experiments to prove his theory, and the number _____ added up to 600.
#67962
A
a large number of ;have
B
a great deal of; has
C
a great many; has
D
plenty of; have
推荐题目
Students are asked to _____ themselves in this boarding school and they are only allowed to go back home once a week.
#78101
A
act
B
behave
C
perform
D
observe
Try to be more careful next time. Carelessness only________ mistakes.
#72522
A
leads to
B
results from
C
runs into
D
comes across
_______achievement，last week’s ministerial meeting of the WTO here earned a low，though not failing，grade.
#66259
A
In terms of
B
In case of
C
As a result of
D
In face of
A car’s tires should be ______ regularly to ensure their safety.
#70071
A
tried
B
checked
C
treated
D
experienced
The first textbooks written for teaching English as a foreign language__________in the 16th century.
#71559
A
came about
B
came out
C
came along
D
came up