根据句意用所给动词的适当形式填空。
小题1:---When _______________he_______________ (move) here?
---Sorry, I don’t know. I have just seen him here.
小题2: Now Wuxi _______________ (become) a modern city, but the price of the houses here isn’t so high.
小题3: Lei Feng always did what he could _______________ (help) people in need.
小题4:There _______________ (be) great changes in Wuxi in the past few years.
小题5:There used_______________  (be) a small clean river near our school.
小题6:Since he fell off the bicycle, John ___________ (lie) in bed for nearly a month.
小题7:The woman sat under the tree, _______________( watch) her daughter dancing.
小题8:It is the second time that the two boys_______________ (forget) to return the book to the library on time.
小题9:They will come to see him if it ____________ (not be) rainy tomorrow.
小题10:This cake smelt so nice that I couldn’t stop  ____________ (test) it.