—Which bus do I need _____?—Bus No. 818.A. to sit B. to take C. taking
The citizens in Shanghai _______________ the highest building, Shanghai Tower, in the near future.
The suspect admitted _______________ the chemical in the lab before he killed his roommate.
Mr. White always expected his son _______________ an active part in the classes.
–_______________ does a CRH train run? –It runs up to more than 300 km an hour.
You shouldn’t keep a pet _______________ you have enough time to care for it.