Question

---Can you tell me how often he practices his English? ---__________. A．At times B．At one t.

---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。