问题

Students must do the test________.

A:what Mary does
B:what does Mary do
C:what Mary did
D:what did Mary do;

正确答案是：

同类题型

The teacher, with 6 girls and 8 boys of her class, ______ visiting a museum when the earthquake struck

He wrote a long letter ___he explained what had happened in the accident.

.—His father ______an actor , didn’t he —Yes, he did.

The plane is due to take off at 7:50 from the airport.—________ we fail to arrive there in time?—Try to take another flight then[ ]

Lifeis like a ling race wecompete with others to go beyond ourselves