There are ________ in this hole. ( )
句意：这个旅馆有两只老鼠。该句是 there be 句型，根据系动词 are 可知主语是复数，mouse的复数形式为 mice，故选 C。
2018年12月，张阿姨把4000元的存入银行，定期三年，年利率是2.75%到期后，应得利息______元.
There are ________ in this hole. ( )
He began to learn English _____ (in / at) the age of six
Her mother will come back _____ (after / in) five days.
Autumn comes _____ (before / after) summer.
What do you often do _____ (at / in) weekends?
We will go to the cinema _____ (in / on) Sunday evening.
Do you know _____ (why / what) you are studying for?
I don’t know _____ (how / why) so many people are looking at him.
They don’t know _____ (if / whether) to go or wait.
