Not until a baby kangaroo is four months old ______ to live outside its mother's pouch.
A: it begins
B: he begins
C: is he beginning
D: does it begin
A: it begins
B: he begins
C: is he beginning
D: does it begin
举一反三
- Not until a baby kangaroo is four months old ______ to live outside its mother's pouch.
- Not until a monkey is several years old _________ to exhibit signs of independence from its mother. A: it does begin B: when it begins C: does it begin D: efore it begins
- 4. I don’t know _________ to learn English. A: when he begins B: when did he begin C: when does he begin D: when he began
- Not until a monkey is several years old ________ to exhibit signs of independence from its mother. A: it begin B: does it begin C: and begin D: beginning
- I don’t know ____ to learn English. A: when did he begin B: when he began C: he when began D: when he begins