Jack fell off the ladder yesterday，but he is all right now. —What a lucky dog! He ________himself badly.

_______,when Marx was already _______,he found it was important to study the situation in Russia, so he began to learn Russian.

Please don’t phone him between 1 and 3 p.m. tomorrow.He ______ a lecture then.

Was it by cutting down staff __she saved the firm?— No, it was by improving work efficiency. [ ]

Is there a shop around _____ we can buy some toilet articles?