---They are quiet, aren’t they?
--Yes. They are accustomed ______ at meals.
| A．to talk | B．to not talk | C．to talking | D．to not talking |
相关试题
George urged that Peter______ the boat around.
| A． turning | B． to turn | C．turned | D．turn |
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 |
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