问题

The boy isn’t old enough ________ with thedifficult problem by himself.
A: Noproblem
B: You’re welcome
C:That’s all
D:Never mind
B: You’re welcome
C:That’s all
D:Never mind
正确答案是:
同类题型
These students are quick at learning We’ll have them __________ with new methods
You seem familiar with Mr. John?—Sure, we ______ together for three years in the 1990s.
My careless friend Bob received a ticket for speeding. He ____ have driven so fast.
There’s _________800-metre-long road behind_________hospital.