---Where is mother? ---She is in the kitchen. She ___ the dinner for the party the whole afternoon.

---Where is mother? ---She is in the kitchen. She ___ the dinner for the party the whole afternoon.

#103022

is preparing

was preparing

has preparing

has been preparing

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______ __ a reply, he decided to send another e-mail.

#101796

Not receiving

Receiving not

Not having received

Having not received

—You seem to be familiar with London.—I ______ there for three years. It’s great to be back.

#100263

lived

had lived

have lived

live

I would have come earlier, but I _____ that you were waiting for me.

#99367

didn’t know

hadn’t know

would have known

haven’t known

Tsinghua University, ______ in 1911, is home a great number of outstanding figures.

#101770

found

founding

founded

to be founded

—Why does the lake smell terrible?—Because large quantities of water ________.

#99571

have polluted

is being polluted

has been polluted

have been polluted

共5993题