问题

Do you know Mother’s Day— Certainly, it is popular and it ________ formally in the US in 1914 .

A:celebrated
B:was celebrated
C:is celebrated
D:was celebrating;

正确答案是：

同类题型

What a great weight the mother felt ____her mind the moment she found her lost son!

These surveys indicate that manycrimes go by the police，mainly because not all victims report them

We should do more work with _______ money and _______ workers.

Would you like _____

What’s your plan for this winter vacation?—I’ll take an express train to Dalian for my holiday ______ school ends[ ]