1. Mr. Smith is so busy ______ his office work that he spends little time ______ after his children.
A. in; looking B. with; to look C. with; looking D. in; to look
2. Can you imagine(想象) travelling alone _____ camel in Sahara Desert? You won’t get lost easily ______ camels.
A. by; on B. in; by C. on; by D. by; in
3. I shall never forget the day ______ Shenzhou V was launched(发射), _____ has a great effect on my life.
A. when; which B. that; which C. which; that D. when; that
4. I don’t expect that he will come back before nine o’clock, _______?
A. do I B. will he C. won’t he D. don’t I
5. Come to pick me up early tomorrow morning. If I ______, wake me up.
A. sleep B. will be sleeping
C. was still sleeping D. am still sleeping
6. I don't think I'll need any money but I'll bring some just ________.
A. at last B. in case C. once again D. in time