Idon’tknowwhetheryouhappenthat

I don’t know whether you happen ____ that he has been away for two months．

A．to be heard

B．to be hearing

C．to hear

D．to have heard

登录免费查看答案和解析

相关试题

. It isn't so much whether he works hard; the question is whether he works _____.

A．above all

B．in all

C．at all

D．after all

收藏答案/解析

Expected noises are usually more _____ than unexpected ones of the like magnitude.

A．manageable	B．controllable
C．tolerable	D．perceivable

收藏答案/解析

Experts say walking is one of the best ways for a person to _____ healthy.

A．preserve

B．stay

C．maintain

D．reserve

收藏答案/解析

. Jack almost fell off the cliff, but managed to _____ until help came.

A．keep on

B．catch on

C．count on

D．hang on

收藏答案/解析

The storm sweeping over this area now is sure to cause _____ of vegetables in the coming days.

A．rarity

B．scarcity

C．invalidity

D．variety

收藏答案/解析