Thank you ________ your timely help.
A. to B. with C. for D. in
I haven’t ________ from my pen friend for a long time.
A. heard a letter B. hear a letter C. heard D. hear
.My parents ______________ America for 50 years.
A. have been in B. have been to C. have gone to D. have been
---Have you finished you work ____________?
--- Yes, I have. I’ve ____________ finished it.
A. already; yet B. yet; already
C. just; already D. just, yet
---Where’s your father? ---He __________ to work.
A. has gone B. went C. has been D. will go
---What are you going to do this weekend?
--- I ____________ yet.
A. haven’t decided B. won’t decided
C. have decided D. didn’t decided
