He is so busy. He cannot afford enough time with his son ______ he wants to.
A. even if B. as if
C. because D. unless
--- Did you find the missing couple in the mountain yesterday?
--- No, but we _______ to get in touch with them ever since.
A. have tried B. had tried
C. have been trying D. had been trying
I haven’t seen Sara since the last time we met on her graduation ceremony, and she has changed beyond _______.
A. sense B. strength
C. measure D. recognition
She was so _______ that she wouldn’t give in until she received a full apology.
A. simple B. lucky
C. stubborn D. proper
As ______ matter of fact, the beauty of ______ nature there made an excellent impression on me.
A. the; a B. /; the
C. a; / D. a; the
-- I hear Alice was badly injured in the accident and sent to hospital.
---_______, we should go and see her immediately.
A. If so B. When necessary
C. On condition that D. Believe it or not
