Though he failed in the experiment again and again, he didn’t______, and at last, he made it.
#73733
A
lose his heart
B
lose heart
C
break his heart
D
make up his mind
推荐题目
When products made in factories _____, they are thrown away as garbage.
#81801
A
come to an end
B
are put to use
C
are used up
D
wear out
As she was singing,she suddenly _____,which  gave us a big surprise  .
#83192
A
broke down
B
broke out
C
took down
D
got down
The man tried out several means to have those people ______ what he said.
#65047
A
carry on
B
break out
C
stand by
D
get across