I think it is true that Jill ______ to work today because she is on a trip．（ ）
| A． |
has come |
B． |
didn't come |
| C． |
is coming |
D． |
will not come |
相关试题
下列离子在溶液中可以大量共存的一组是
| A．Mg2+ Na+ OH－ | B．Al3+ NO3－ Cl－ |
| C．K+ H+ HCO3－ | D．Mg2+ Ca2+ SO42－ |
常用于测定动植物标本的年龄。关于
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