________ caused the accident is still a complete mystery.
| A．What | B．That | C．How | D．Where |
相关试题
______ you eat the correct foods ______ be able to keep fit and stay healthy.
| A．Only if; will you | B．Only if; you will |
| C．Unless; will you | D．Unless; you will |
--- Won’t you have another try?
--- ________.
| A．Yes, I will have | B．Yes, I won’t have | C．Yes, I won’t | D．Yes, I will |
After he won the competition, Li Qiang________his prize and went on a time tour with his friend and guide Wang Ping
A took down B took up C took out D took away
___________catch the first train, he asks his mother to awake him up in the morning
A So as to B In order to C So that D In order that
wn D get, on相关知识点
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