______of cattle could be grazed on these fertile plains

If the relief valve on a diesel engine cylinder lifts, the cause could be due to ________.

According to the spokesman, a band of these tiny American discounters will be ______.A．pro

He ______ considerable influence on the thinking of the scientific community on these issu

According to the conversation, an example of "Christmas trimmings" could be______.A．presen

According to the study,______could be in charge of admissions.A．faith schoolsB．academiesC．

Look! There are______grazing over there.A．two cattiesB．two head of cattiesC．two cattleD．tw