题目

I need one more stamp before my collection ______. A. had completed    B. completes C. has been completedD. is completed   答案：D主句是将来时态（包括含有情态动词），时间或条件状语从句中用现在时态。 He ________ his new bike with a head-light． [　　] A．equip B．equiped C．equipped D．equipping