The road is covered with snow. I can’t understand _____ they want to go to school by motorbike.

Excuse me，could you tell me how long___________ the book

Linda, how is your physics project _______—Very well. I’ll finish it tomorrow.

You’ll have an English exam tomorrow. You’d better watch TV this evening.

Since he often travels on business, he can ______ himself to sleeping in any place he can find.