Our teacher recommended that we ______ as attentive as possible when we visit the museum.A

We are quite sure that we can ______our present We

It is strongly recommended that teachers（use) _________computers to assist in their classr

We recommend that a neutral chairman_____.A．be appointedB．were appointedC．were to be appoi

He recommended that we______swim when there was a possible storm.A．need notB．would notC．no

Our physics teacher explained to us that light______faster than sound.A．is travelingB．trav

Our English teacher advises us to look ___ our test paper before we hand it in.A、after