Monkeys in the zoo started to show the flu _____ last Monday and altogether twenty have died up to now．
| A．symbol | B．sign | C．signal | D．symptom |
相关试题
Do you know the reason ___________ he was late?
| A．for which | B．for what | C．which | D．that |
Last week, only two people came to look at the house, _______ wanted to buy it.
| A．none of them | B．both of them | C．none of whom | D．neither of whom |
He is wearing sunglasses to____ his eyes from the strong sunlight.
| A．protect | B．hold | C．stop | D．prevent |
Have you heard ______ news？The price of _______oil is going up again!
| A．the, the | B．不填，the | C．the, 不填 | D．不填，不填 |
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