—Why didn’t you put your cellphone in your overcoat pocket?—I _____, but I was afraid it would be stolen.
American English is more or less different ____British English ____ pronunciation and spelling.
Some people are good at _____ voices on the phone while others ______.
Pandas are native ______ China.
No product is allowed to go into the market if it fails to _____ the quality standard.
When was it _____ your parents took you to Hangzhou?