Question

---Can you tell me how often he practices his English?
---__________.

A．At times

B．At one time

C．At all times

D．At a time

Answer 1

A

试题分析：考查介词短语：A. At times有时，B. At one time曾经，一度，C. At all times一直，D. At a time一次，句意：--你能告诉我他多长时间练一次英语吗？--有时。选A。