In the USA, he made a lot of friends ___
题型:选择题
问题:
In the USA, he made a lot of friends ______ English well to make himself ______.
A.learn; understand
B.to learn; understood
C.learning; understand
D.learned; understood
In the USA, he made a lot of friends ______ English well to make himself ______.
A.learn; understand
B.to learn; understood
C.learning; understand
D.learned; understood