If I ___________his email address, I would have sent him a message yesterday.
A: know
B: knew
C: had known
D: have known
A: know
B: knew
C: had known
D: have known
举一反三
- If I (__) his e-mail address, I would have sent him a message yesterday. A: have know B: had known C: will know D: know
- If I ______ his email address, I would have sent him a message yesterday.
- I would have sent you these photos if I _______your email address. A: had known B: know C: have known D: knew
- If only I _______ about his coming, I would have met him at the station. A: would know B: had known C: have known D: knew
- If I ( ) your telephone number yesterday, I would have called you. A: have known B: knows C: had known D: knew