Thisrobotissupposedtosavealotoflabor,butitremainsaproblemifit______.
A、isThe professor could hardly find sufficient grounds _____his arguments in favor of the new theory.
Thegreatuseofschooleducationisnotsomuchtoteachyouthings_____toteachyoutheartoflearning.
There were many more people who got injured in the big fire than _______.
"______ the friendship between our two people last forever!", and with this sincere hope, the president concluded his speech.
Manypeopleattendvariouspubliclectures,chiefly______themselvesfamiliarwiththelatestdevelopmentofdifferentfields.
