1．---Congratulations to you on making such great progress!
---Thanks, but I would do better ________ I was given more time.
A. if B. unless C. though D. because
2．I’m waiting for my friend. If he _______, I will go swimming alone.
A. doesn’t come B. won’t come
C. will come D. is coming
3．Andy is ______ generous that he donated ______ he had to the charity.
A. so; that B. such; that C. such; what D. so; what
