Students should learn how        problems.
#49250
A
solve
B
solving
C
can solve
D
to solve
推荐题目
It’s very not outside.  Why don’t you stay at home?
#49680
A
why don’t
B
why not
C
why no
D
why didn’t
Let’s ____the books.
#49729
A
to go and find
B
to go and to find
C
go and find
D
go and to find
Jim, dad asks you _____ down the TV. Mom is sleeping now.
#50386
A
turn
B
turns
C
to turn
D
turning
That little boy preferred ________ out to play rather than ________ TV at home.
#49650
A
going; to watch
B
to go; watch
C
going; watching
D
to go; watching