They tried to think of a plan by _________ they could fulfill their task ahead of time.
举一反三
- They tried to think of a plan by ________ they could fulfill their task ahead of time. A: which B: that C: where D: when
- If they work harder, they shall be able to fulfill the plan ahead of time句中单词（）用升调来读。 A: harder B: work C: fulfill D: plan
- Busy he is, he can fulfill the task ahead of schedule.
- It is important that we ________ the task ahead of time.
- It is important that we ________ the task ahead of time.