Scientists _______ a lot of experiments on animals, hoping to find and effective way to cure the patients who had AIDS.
#70454
A
carried on
B
carried out
C
carried away
D
carried off
推荐题目
Two percent of the total poulation of China have ____ access to the Internet,____ with 45 percent in the USA and 15 percent in Japan.
#66553
A
an; compared
B
/ ;compared
C
an; comparing
D
/; comparing
It’s going to rain. Xiao Feng, Will you please help me _____the clothes on the line?
#82139
A
get off
B
get back
C
get in
D
get on
The twins look alike,but they __________ in temperament.
#82343
A
different
B
differ
C
distinguish
D
transform
Jane’s pale face suggested that she______ill，and her parents suggested that she________a medical examination.
#69784
A
be；should have
B
was；have
C
should be；had
D
was；has