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Use the Present Indefinite or the Present Perfect
1. No wonder he ( To look) tired after the strain under which he (to be) lately
2. She just (to ask) a porter to carry her as they (to be) too heavy for her.
3 .Where (to be) your monitor? “She (to go) to the library.
4. I regylarly ( to see) him every morning at the tram stop, but I (not to see ) him these two or three days.
5. It  (to be) cold in winter in Moscow as a rule? – Yes, generally it (to be), but thes winter (to be) exceptionally warm.
6. Why you (not to shave) in the morning? –I (to shave) every other day.