1. Be careful! The car(go).....................is going.....................so fast.
2. Now they (try)...............are trying.................... to pass the examination.
3.He (not work) ...............isn't working.......................in his office now.
Exercise 1: Chọn dạng đúng của động từ trong ngặc
1. Be careful! The car(go).........is going................................so fast.
2. Now they (try)............are trying...................... to pass the examination.
3.He (not work) .........isn't working.............................in his office now.
Hok tốt
3. isn't working
nhầm
1. Be careful! The car (go) is going so fast.
2. Now they (try)are trying to pass the examination.
3.He(not work)........isn't working..... in his office now.
1. is going
2. are trying
3. aren't working