1.Jenny bought a lot of tapes for herself ______ she could improve her English.
A. so as to B. so as that C. in order to D. in order that
2.The sports meeting has been put off ___the heavy rain.
A. because B. as a result C. because of D. as
3. What was it_______ made her so upset that she said nothing all day?
A. until B. which C. that D. if
