When did the children begin to speak English?

A． When they are 5 years old. B. When they are 6 years old.

C． When they are 7 years old. D. When they are 8 years old.

[主观题]When did women begin leaving their homes to get jobs in the U.S.?_________________________________________________

[单选题]To ______ did you speak on the campus?A． whoB． whomC． whichD． those

[单选题]When deciding the composition of the engineering watch, which may include____ appropriately, many factors shall be taken into account.A．satisfied engineersB．qualified ratingsC．satisfied chief engineerD．qualified chief' engineer

— When will the performance begin? —().A. About one hourB. After one hour.C. In

[试题]when you do the watch keeping in the engine room ,what should you be careful about ?

（2.0分）When will the performance begin? ( ).A. about one hourB. After one hourC.

[单选题]________ to speak when the audience interrupted him.[A] Hardly had he begun[B] No sooner had he begun[C] Not until he began[D] Scarcely did he begin

[单选题]When does language acquisition begin according to the research?A.It begins

[单选题]( )to speak when the audience interrupted him.A.Hardly had he begunB.No soo

[单选题]( )to speak when the audience interrupted him.A.Hardly had he begunB.No soo