问题

________the help of the teacher, the student who wasn’t good at math________the difficult problem quickly[ ]
A: Under; worked out
B: With; worked on
C: Under solved
D: With; solved
B: With; worked on
C: Under solved
D: With; solved
正确答案是:
同类题型
When winter comes, it is exciting _______________ snowballs and have snowball fights.
ctor will see you again next week _____, youmust rest as much as possible
The pair of glasses over there ________ cool. Bring ________ to me and let me have a look.
The supermarket near my home opens at 9 every morning.It’s half past ten now, it’s _______ I think.