I arrived home at midnight, _______ my parents had been waiting for nearly three hours.
| A．at that time | B．by that time | C．at which time | D．by which time |
—You won’t go to Kathy’s wedding party, will you?
—Yes, invited.
| A．though | B．if | C．unless | D．as |
Mum, I was wondering if you could lend me a few dollars until I on Friday.
| A．get paid | B．got paid | C．have paid | D．had been paid |
We the difficulty together, but why didn’t you tell me?
| A．need have faced | B．can have faced | C．could have faced | D．must have faced |
—What does the sign over there read?
—No person smoke or carry a lighted cigarette, cigar or pipe in this area.
| A．will | B．may | C．shall | D．must |
Walking alone in the dark, the boy whistled to his courage.
| A．hold up | B．keep up | C．set up | D．take up |