Someone called me up in the middle of the night, but they hung up _____ I could answer the phone.
| A．as |
| B．since |
| C．until |
| D．before |
As is recorded in history, silkworms were first raised in ____we now know as Hebei Province.
| A．where | B．that | C．which | D．what |
He got completely when he saw both Lucy and Lily, who are twin sisters.
| A．confusing | B．confused | C．confuse | D．confuses |
______ the new policy, we are now living in a grand, new apartment.
| A．In that | B．Due to | C．Thanks to | D．In hope of |
John’s never willing to change his mind. It is no use ______with him.
| A．to argue | B．arguing | C．argued | D．having argued |
John is the only one of the students in the class that never_____ a mistake even when it is pointed to him.
| A．admit making | B．admits making | C．admit to make | D．admits to make |