1 . _____（事实上），China may have the largest number of English learners. （根据汉语意思填空）

2 . He seems to be doing nothing, but ______ （实际上） he is just waiting for his chance. （根据汉语意思填空）

3 . —Excuse me, would you mind answering a few questions?
—Well, I don’t know. I’m in rather a hurry__________.

A．seriously	B．actually
C．immediately	D．quickly

4 . —How many people attended the exhibition?
—I’m not sure. __________ 100 people.

A．Exactly	B．Actually
C．Roughly	D．Strictly