-Hello, may I talk to John please? -( ).
Sorry, he is busy at the moment
B: No, you can't
C: Sorry, you can't
D: I don't know

He is always getting ( )me for minor mistakes.forB: atC...

未知题型He is always getting ( )me for minor mistakes.
for
B: at
C: away
D: over

打开过的无菌包若未受污染有效时间为：A、48小时B、24小时C、12小时D、8小时E、4小时

单项选择题打开过的无菌包若未受污染有效时间为：

Because the twins are identical, it is impossible to te...

未知题型Because the twins are identical, it is impossible to tell ( ).
which one from the other
B: one from the other
C: one from which other
D: one and the other