问题

is said ________ abroad, but I don’t know what country he studied in.

A:to have studied
B:to study
C:to be studying
D:to have been studying;

正确答案是：

同类题型

I think everybody should ______ to protect wild animals.

－ ________have you been away from Wenzhou, Anna －For three years.

When Liu Xiang announced that he would running forever, he burst into tears.

you mind my sitting here with you”“No, ______ you aren’t too noisy”

J K Rowling jumps farther than______ in her class.