Cho dạng đúng của từ trong ngoặc
I {do}...an exercise on the present tesen at this moment and I{think}....that I {know}how to use it now
my mother sometimes[buy].....vegetables at this market
It[rain]....much in summer.It [rain].....now
Daisy[cook]...some food in the kitchen at present She always[cook].........in the morning
1, Hello this is Dr Smith's office.who[speak]?
3,It is a lovely day.The sun[shine]and the birds[sing]
4,The Earth[go]round the Sun
5,Some animals [not eat]during the winter
6,What Oanh[do]at the moment?