It is known to us that lions and tigers _____ the cat family.
| A．are belonging to | B．belonged to | C．belong to | D．are belonged to |
相关试题
So far the majority of cloned animals have suffered from some different serious disorders, ______ died soon after birth.
| A．many of which | B．many of whom | C．many of them | D．many of that |
No one can prevent the plan.
A． from carrying out |
B．to be carried out | C．being carried out | D．to carry out |
Dad had to cycle to work this morning because his car _______ at the garage.
| A．was repaired | B．was repairing |
| C．was being repaired | D．would repair |
_____ by the killers whales, the whalers were able to make a successful kill.
| A．To help out | B． Helped out | C．Helping | D．Being helped out |
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